TY  - BOOK
AU  - Wilson,Alfred William Gunning
TI  - Potash recovery at cement plants,
AV  - TN36 .A35 no. 29
PY  - 1919///
CY  - Ottawa
PB  - J. de L. Taché, printer
KW  - Potash
N1  - Plates printed on both sides of leaf; Bibliography: p. 32-34
ER  -