?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=A+K&rft.au=Singh%2C+A+K&rft.aulast=Singh&rft.date=1985&rft.title=Genetic+lntrogression+from+Compatible+Wild+Species+into+Cultivated+Groundnut&rft.genre=proceeding