Youssef, Refat A.; Chino, Mitsuo (1989-09-01). "Root-induced changes in the rhizosphere of plants. I. pH changes in relation to the bulk soil". Soil Science and Plant Nutrition. 35 (3): 461–468. doi:10.1080/00380768.1989.10434779. ISSN0038-0768.
Bakker, Matthew G.; Chaparro, Jacqueline M.; Manter, Daniel K.; Vivanco, Jorge M. (2015-07-01). "Impacts of bulk soil microbial community structure on rhizosphere microbiomes of Zea mays". Plant and Soil. 392 (1): 115–126. doi:10.1007/s11104-015-2446-0. ISSN1573-5036.
Youssef, Refat A.; Chino, Mitsuo (1989-09-01). "Root-induced changes in the rhizosphere of plants. I. pH changes in relation to the bulk soil". Soil Science and Plant Nutrition. 35 (3): 461–468. doi:10.1080/00380768.1989.10434779. ISSN0038-0768.
Bakker, Matthew G.; Chaparro, Jacqueline M.; Manter, Daniel K.; Vivanco, Jorge M. (2015-07-01). "Impacts of bulk soil microbial community structure on rhizosphere microbiomes of Zea mays". Plant and Soil. 392 (1): 115–126. doi:10.1007/s11104-015-2446-0. ISSN1573-5036.