TY  - BOOK
AU  - Gustafson,Axel Ferdinand
TI  - Handbook of fertilizers: their sources, make-up, effects and use,
AV  - S633 .G87 1939
U1  - 631.8 
PY  - 1939///
CY  - New York
PB  - Orange Judd Pub. Co.
N1  - "Revised March, 1932; revised and reset January, 1939."
ER  -