TY  - BOOK
AU  - Heiser,Charles Bixler
TI  - Seed to civilization: the story of man's food 
SN  - 071670594X
PY  - 1973///]
CY  - San Francisco
PB  - Freeman
KW  - Food
KW  - Food crops
KW  - Biology, Economic
KW  - Agriculture
KW  - History
ER  -