@INBOOK {BJARNASON:1980, title = {High quality protein maize: its role and future prospects in developing countries, edited by pollmer and R.H. Phipps}, author = {Bjarnason, M. and Vasal, S. K. }, year = {1980}, type = {Improvement of quality traits of maize for grain and silage use}, pages = {15}, chapter = {17}, publisher = {The Hague}, address = {Boston, London}, }