Wu, Tung-Hsin; Chen, Chia-Lin; Huang, Yung-Hui; Liu, Ren-Shyan; Hsieh, Jen-Chuen; Lee, Jason J. S. (November 5, 2008). "Effects of long-term practice and task complexity on brain activities when performing abacus-based mental calculations: a PET study". European Journal of Nuclear Medicine and Molecular Imaging. 36 (3): 436–445. doi:10.1007/s00259-008-0949-0. ISSN1619-7070. PMID18985348. S2CID9860036.
Lee, J.S.; Chen, C.L.; Wu, T.H.; Hsieh, J.C.; Wui, Y.T.; Cheng, M.C.; Huang, Y.H. (2003). "Brain activation during abacus-based mental calculation with fMRI: A comparison between abacus experts and normal subjects". First International IEEE EMBS Conference on Neural Engineering, 2003. Conference Proceedings. pp. 553–556. doi:10.1109/CNE.2003.1196886. ISBN978-0-7803-7579-6. S2CID60704352.
Chen, C.L.; Wu, T.H.; Cheng, M.C.; Huang, Y.H.; Sheu, C.Y.; Hsieh, J.C.; Lee, J.S. (December 20, 2006). "Prospective demonstration of brain plasticity after intensive abacus-based mental calculation training: An fMRI study". Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 569 (2): 567–571. Bibcode:2006NIMPA.569..567C. doi:10.1016/j.nima.2006.08.101. ISSN0168-9002.
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Williams 1997, pp. 55–56 Williams, Michael R. (1997). Baltes, Cheryl (ed.). A History of Computing technology (2nd ed.). Los Alamitos, CA: IEEE Computer Society Press. ISBN978-0-8186-7739-7. LCCN96045232.
Williams 1997, p. 65 Williams, Michael R. (1997). Baltes, Cheryl (ed.). A History of Computing technology (2nd ed.). Los Alamitos, CA: IEEE Computer Society Press. ISBN978-0-8186-7739-7. LCCN96045232.
Williams 1997, p. 64 Williams, Michael R. (1997). Baltes, Cheryl (ed.). A History of Computing technology (2nd ed.). Los Alamitos, CA: IEEE Computer Society Press. ISBN978-0-8186-7739-7. LCCN96045232.
Wu, Tung-Hsin; Chen, Chia-Lin; Huang, Yung-Hui; Liu, Ren-Shyan; Hsieh, Jen-Chuen; Lee, Jason J. S. (November 5, 2008). "Effects of long-term practice and task complexity on brain activities when performing abacus-based mental calculations: a PET study". European Journal of Nuclear Medicine and Molecular Imaging. 36 (3): 436–445. doi:10.1007/s00259-008-0949-0. ISSN1619-7070. PMID18985348. S2CID9860036.
Wu, Tung-Hsin; Chen, Chia-Lin; Huang, Yung-Hui; Liu, Ren-Shyan; Hsieh, Jen-Chuen; Lee, Jason J. S. (November 5, 2008). "Effects of long-term practice and task complexity on brain activities when performing abacus-based mental calculations: a PET study". European Journal of Nuclear Medicine and Molecular Imaging. 36 (3): 436–445. doi:10.1007/s00259-008-0949-0. ISSN1619-7070. PMID18985348. S2CID9860036.
Lee, J.S.; Chen, C.L.; Wu, T.H.; Hsieh, J.C.; Wui, Y.T.; Cheng, M.C.; Huang, Y.H. (2003). "Brain activation during abacus-based mental calculation with fMRI: A comparison between abacus experts and normal subjects". First International IEEE EMBS Conference on Neural Engineering, 2003. Conference Proceedings. pp. 553–556. doi:10.1109/CNE.2003.1196886. ISBN978-0-7803-7579-6. S2CID60704352.
"中国算盘 | 清华大学科学博物馆". Department of the History of Science, Tsinghua University (in Chinese). August 22, 2020. Archived from the original on August 8, 2021. Retrieved August 8, 2021.
"中国算盘 | 清华大学科学博物馆". Department of the History of Science, Tsinghua University (in Chinese). August 22, 2020. Archived from the original on August 8, 2021. Retrieved August 8, 2021.
Wu, Tung-Hsin; Chen, Chia-Lin; Huang, Yung-Hui; Liu, Ren-Shyan; Hsieh, Jen-Chuen; Lee, Jason J. S. (November 5, 2008). "Effects of long-term practice and task complexity on brain activities when performing abacus-based mental calculations: a PET study". European Journal of Nuclear Medicine and Molecular Imaging. 36 (3): 436–445. doi:10.1007/s00259-008-0949-0. ISSN1619-7070. PMID18985348. S2CID9860036.
Chen, C.L.; Wu, T.H.; Cheng, M.C.; Huang, Y.H.; Sheu, C.Y.; Hsieh, J.C.; Lee, J.S. (December 20, 2006). "Prospective demonstration of brain plasticity after intensive abacus-based mental calculation training: An fMRI study". Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 569 (2): 567–571. Bibcode:2006NIMPA.569..567C. doi:10.1016/j.nima.2006.08.101. ISSN0168-9002.