Singh, P and Alagarswamy, G and Hoogenboom, G and Pathak, P and Wani, S P and Virmani, S M  (1999) Soybean-chickpea rotation on Vertic Inceptisols II. Long-term simulation of water balance and crop yields.  Field Crops Research, 63 (3).  pp. 225-236.  ISSN 0378-4290