Phosphates and superphosphate /

Gray, A N

Phosphates and superphosphate / by A. N. Gray. - London : Pub. under the auspices of the International superphosphate manufacturers' association by E. T. Heron & co., ltd. , 1944. - 416 p.: ill. ; 18 cm.

"Second edition." Map on lining-papers. "Corrigenda" slip inserted before p. 9.


Phosphates.

631.85 / GRP