?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Y+S&rft.au=Chauhan%2C+Y+S&rft.aulast=Chauhan&rft.atitle=A+ready-reckoner+to+help+pigeonpea+researchers+determine+plant+population&rft.title=International+Pigeonpea+Newsletter&rft.issn=0255-786X&rft.date=1990&rft.volume=11&rft.pages=14-15&rft.genre=article