TY  - BOOK
AU  - King A J
AU  - Jessen R J
ED  - Iowa Agricultural Experiment Station. Ames
TI  - Master sample of agriculture
U1  - 338.1 
CY  - Ames
PB  - IAES
KW  - Agricultural economics
N1  - Pt.1 - Development and use by A.J.King
ER  -