?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=S&rft.au=Gopalakrishnan%2C+S&rft.aulast=Gopalakrishnan&rft.atitle=Temperature+tolerance+and+effectiveness+of+Rhizobium+strains+infecting+pigeonpea+(Cajanus+cajan+L.)+host&rft.title=Indian+Journal+of+Plant+Physiology&rft.issn=0019-5502&rft.date=1999&rft.volume=4&rft.pages=6-9&rft.issue=1&rft.genre=article