TY  - BOOK
AU  - Waggaman,William
TI  - Phosphoric acid, phosphates and phosphatic fertilizers
U1  - 668.6 
PY  - 1952///
CY  - Nw York
PB  - Reinhold Pub. Corp.
KW  - FERTILIZANTES Y ABONOS
KW  - FOSFATOS
KW  - ACIDO FOSFORICO
ER  -