@book{ BA10466164, author = "Singh, R. P. and Parr, J. F. (James Floyd) and Stewart, B. A. (Bobby Alton)", title = "Dryland agriculture : strategies for sustainability", publisher = "Springer-Verlag", year = "1990", series = "Advances in soil science / edited by B.A. Stewart ; with contributions by D.W. Anderson ... [et al.]", number = "v. 13", URL = "https://ci.nii.ac.jp/ncid/BA10466164" }