TY - JA AU - Crossa,J. TI - Theoretical considerations for the introgression of exotic germplasm into adapted maize populations PY - 1989/// KW - Breeding KW - AGROVOC KW - Germplasm KW - Introgression KW - Zea mays KW - Genotypes N1 - Peer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0025-6153; Tables, graphs, references p. 62 T2 - Maydica ER -