Products and by-products of coal,
Products and by-products of coal,
by Edgar Stansfield, and F. E. Carter.
- Ottawa, Government printing bureau, 1915.
- vi p., 1 l., 51 p. fold. tab., diagr. 25 cm.
gs 15000836
Coal.
Coal-tar products.
TP755 / .C3
gs 15000836
Coal.
Coal-tar products.
TP755 / .C3