TY  - BOOK
AU  -  Stonehouse,D.H.
ED  -  Mineral Developemnt Sector. Dept. of Energy, Mines and Resources.
TI  -  Gypsum and anhydrite / 
PY  - 1974///
CY  -  Ottawa : 
PB  -  Dept. of Energy, Mines and Resources, 
KW  -  Gypsum
KW  -  Canada
KW  -  Anhydrite
ER  -