Li, Chun-Hai; Li, Yong-Xiang; Zheng, Yun-Fei; Yu, Shi-Yong; Tang, Ling-Yu; Li, Bei-Bei; Cui, Qiao-Yu (August 2018). "A high-resolution pollen record from East China reveals large climate variability near the Northgrippian-Meghalayan boundary (around 4200 years ago) exerted societal influence". Palaeogeography, Palaeoclimatology, Palaeoecology. 512: 156–165. Bibcode:2018PPP...512..156L. doi:10.1016/j.palaeo.2018.07.031. ISSN0031-0182.
Staubwasser, M.; และคณะ (2003). "Climate change at the 4.2 ka BP termination of the Indus valley civilization and Holocene south Asian monsoon variability". Geophysical Research Letters. 30 (8): 1425. Bibcode:2003GeoRL..30.1425S. doi:10.1029/2002GL016822. S2CID129178112.
Drysdale, Russell; และคณะ (2005). "Late Holocene drought responsible for the collapse of Old World civilizations is recorded in an Italian cave flowstone". Geology. 34 (2): 101–104. Bibcode:2006Geo....34..101D. doi:10.1130/G22103.1.
Riehl, S. (2008). "Climate and agriculture in the ancient Near East: a synthesis of the archaeobotanical and stable carbon isotope evidence". Vegetation History and Archaeobotany. 17 (1): 43–51. doi:10.1007/s00334-008-0156-8. S2CID128622745.
Watanabe, Takaaki K.; Watanabe, Tsuyoshi; Yamazaki, Atsuko; Pfeiffer, Miriam (2019). "Oman corals suggest that a stronger winter shamal season caused the Akkadian Empire (Mesopotamia) collapse". Geology. GeoScienceWorld. 47 (12): 1141–1145. Bibcode:2019Geo....47.1141W. doi:10.1130/G46604.1.
Wu, Wenxiang; Liu, Tungsheng (2004). "Possible role of the "Holocene Event 3" on the collapse of Neolithic Cultures around the Central Plain of China". Quaternary International. 117 (1): 153–166. Bibcode:2004QuInt.117..153W. doi:10.1016/S1040-6182(03)00125-3.
Chun Chang Huang; และคณะ (2011). "Extraordinary floods related to the climatic event at 4200 a BP on the Qishuihe River, middle reaches of the Yellow River, China". Quaternary Science Reviews. 30 (3–4): 460–468. Bibcode:2011QSRv...30..460H. doi:10.1016/j.quascirev.2010.12.007.
Gao, Huazhong; Zhu, Cheng; Xu, Weifeng (2007). "Environmental change and cultural response around 4200 cal. yr BP in the Yishu River Basin, Shandong". Journal of Geographical Sciences. 17 (3): 285–292. doi:10.1007/s11442-007-0285-5. S2CID186227589.
Li, Chun-Hai; Li, Yong-Xiang; Zheng, Yun-Fei; Yu, Shi-Yong; Tang, Ling-Yu; Li, Bei-Bei; Cui, Qiao-Yu (August 2018). "A high-resolution pollen record from East China reveals large climate variability near the Northgrippian-Meghalayan boundary (around 4200 years ago) exerted societal influence". Palaeogeography, Palaeoclimatology, Palaeoecology. 512: 156–165. Bibcode:2018PPP...512..156L. doi:10.1016/j.palaeo.2018.07.031. ISSN0031-0182.
Staubwasser, M.; และคณะ (2003). "Climate change at the 4.2 ka BP termination of the Indus valley civilization and Holocene south Asian monsoon variability". Geophysical Research Letters. 30 (8): 1425. Bibcode:2003GeoRL..30.1425S. doi:10.1029/2002GL016822. S2CID129178112.
Drysdale, Russell; และคณะ (2005). "Late Holocene drought responsible for the collapse of Old World civilizations is recorded in an Italian cave flowstone". Geology. 34 (2): 101–104. Bibcode:2006Geo....34..101D. doi:10.1130/G22103.1.
Wu, Wenxiang; Liu, Tungsheng (2004). "Possible role of the "Holocene Event 3" on the collapse of Neolithic Cultures around the Central Plain of China". Quaternary International. 117 (1): 153–166. Bibcode:2004QuInt.117..153W. doi:10.1016/S1040-6182(03)00125-3.
Chun Chang Huang; และคณะ (2011). "Extraordinary floods related to the climatic event at 4200 a BP on the Qishuihe River, middle reaches of the Yellow River, China". Quaternary Science Reviews. 30 (3–4): 460–468. Bibcode:2011QSRv...30..460H. doi:10.1016/j.quascirev.2010.12.007.
Staubwasser, M.; และคณะ (2003). "Climate change at the 4.2 ka BP termination of the Indus valley civilization and Holocene south Asian monsoon variability". Geophysical Research Letters. 30 (8): 1425. Bibcode:2003GeoRL..30.1425S. doi:10.1029/2002GL016822. S2CID129178112.
Riehl, S. (2008). "Climate and agriculture in the ancient Near East: a synthesis of the archaeobotanical and stable carbon isotope evidence". Vegetation History and Archaeobotany. 17 (1): 43–51. doi:10.1007/s00334-008-0156-8. S2CID128622745.
Gao, Huazhong; Zhu, Cheng; Xu, Weifeng (2007). "Environmental change and cultural response around 4200 cal. yr BP in the Yishu River Basin, Shandong". Journal of Geographical Sciences. 17 (3): 285–292. doi:10.1007/s11442-007-0285-5. S2CID186227589.