@PROCEEDINGS {PULVER:1978,
title = {IITA's Program on Dinitrogen Fixation},
author = {Pulver, E. and Brockman, F. and Nangju, D. and Wien, H. C. },
booktitle = {Meeting of Advisory Group on Potential Uses of Isotopes in the Study of Biological Dinitrogen Fixation},
year = {1978},
address = {Vienna},
}