@INPROCEEDINGS {USUA:1975, title = {Studies in relation to Maruca testulalis}, author = {Usua, E. J. *}, editor = {Luse, R. A. and Rachie, K. O. }, booktitle = {Proceedings of IITA Collabortors' Meeting on Grain Lgume Improvement held at IITA on 9-13 June, 1975 edited by R. A. Luse and K. O. Rachie}, year = {1975}, pages = {52--54}, }