?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.isbn=9290662972&rft.date=1994&rft.btitle=Linking+Biological+Nitrogen+Fixation+Research+in+Asia%3A+report+of+a+meeting+of+the+Asia+Working+Group+on+Biological+Nitrogen+Fixation+in+Legumes+6-8+Dec+1993&rft.tpages=144&rft.genre=book