TY  - BOOK
ED  - National Fertilizer Development Center. Muscle Shoals, Ala.
TI  - Progress
PY  - 1980///
CY  - Muscle Shoals, Ala.
PB  - The Center
KW  - Fertilizantes
KW  - Experimentación
KW  - Industria
KW  - E.U.A
N1  - La biblioteca : 1982, 1983, 1984
ER  -