@INPROCEEDINGS {HAHN:1976c,
title = {Cooperative testing and selection},
author = {Hahn, S. K. },
booktitle = {The International Exchange and Testing of Cassava Germ Plasm in Africa: proceedings of an interdisciplinary workshop held at IITA, Ibadan, Nigeria, 17-21 November, 1975 edited by Terry, E. and R. MacIntyre},
year = {1976},
month = {November},
pages = {39--40},
publisher = {International Development Research Centre (IDRC)},
location = {Ottawa, Canada},
note = {RTB; Root and Tuber; Cassava},
}