TY - JA AU - Gupta,D. AU - Kovacs,I. TI - Inter-character relationships and heterosis observed in opaque-2 maize crosses and in their normal analogues SN - 1432-2242 PY - 1974/// N1 - Peer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0040-5752 T2 - Theoretical and Applied Genetics ER -