TY  - BOOK
AU  - Gowen, John W., ed.
TI  - Heterosis, a record of researches directed toward explaining and utilising the vigor of hybrids
U1  - 631.527.5 J2 
PY  - 1952///
CY  - Ames
PB  - Iowa State college press
KW  - Heterosis,Plant breeding,Hybrid vigour
ER  -