TY  - BOOK
ED  - United States.
ED  - Tennessee Valley Authority.
TI  - Superphosphate: its history, chemistry, and manufacture
AV  - TP963 .U5
PY  - 1964///
CY  - Washington
PB  - Agricultural Research Service, U.S. Depart of Agriculture; for sale by the Superintendent of Documents, U.S. Govt. Print. Off.
KW  - Phosphates
KW  - Fertilizer industry
KW  - United States
N1  - Includes bibliographies
ER  -