TY  - BOOK
AU  - Horn, W.
AU  - Hannover
AU  - Robbelen, G.
AU  - Gottingen
TI  - Advances in Plant Breeding: Supplements to journal of plant breeding
SN  - 3489711106
U1  - G116 
PY  - 1978///
CY  - Germany
N1  - include bibliography
ER  -