TY  - BOOK
AU  - Frankel R Ed.
TI  - Heterosis: Reappraisal of theory and practice
T2  - Monograph on theoretical and applied genetics; 6
U1  - J:6:7, M3 
PY  - 1983///
CY  - Berlin
PB  - Springer-Verlag         
KW  -  Plant breeding
KW  - Agriculture
ER  -