Extent and possibilities of the use of foreign genes in the breeding of Red and White cattle [Germany, F.R.]
1981
Jongeling, C. (Goettingen Univ. (Germany, F.R.). Inst. fuer Tierzucht und Haustiergenetik)
Jongeling, C. (Goettingen Univ. (Germany, F.R.). Inst. fuer Tierzucht und Haustiergenetik)