TY  - BOOK
AU  - D.B. MacKay
AU  -  F. Ader A.G. Gordon C. Hutin  W.J. Rennie
TI  - Seed Technology in the Tropics 
SN  - 81-7233-162-2
U1  - 631.521 
PY  - 1983///
CY  - Zurich
PB  - International Seed Testing Association
ER  -