TY  - BOOK
AU  - Olson,Wayne K.
TI  - Chemurgy and agriculture: 1934 - 1940
T2  - Special reference briefs
SN  - 1052-536X
U1  - 630.16 
PY  - 1993///
CY  - Maryland EUA
PB  - National Agricultural Library
KW  - Agricultura
KW  - Bibliografia
ER  -