TY - JA AU - Balint,A. TI - The theoretical problems of heterosis SN - No (Revis PY - 1960/// KW - Hybrid vigour KW - Inbred lines KW - AGROVOC KW - Inbreeding KW - Kernels KW - Zea mays KW - Genetics N1 - Abstract in: De, Hu, tables, references p. 81-82; Peer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0120-2812 T2 - Acta Agronomica ER -