@inproceedings{inproceedings074334f7,
title   = {Foliar or soil application of fertilizer-'ANTPOT.15 N' and biological nitrogen fixation of common bean (Phaseolus vulgaris l.)},
author = {Tsai, Siu Mui and Silva, Paulo Marcos da and Bonetti, Roberto},
year = {1989},
publisher = {Iowa State University},
booktitle   = {North American Symbiotic Nitrogen Fixation Conference}
}