TY  - BOOK
AU  - Collings, Gilbert H.
TI  - Commercial Fertilizers : their socurces and use: their socurces and use
SN  -  
AV  - S633 .C6 1955 0366
PY  - 1955///
CY  - New York
PB  - McGraw-Hill Book Company
KW  - Commercial fertilizers
N1  - Includes references and index; Includes Index
ER  -