Standard methods for testing tar and its products.
Standard methods for testing tar and its products.
- 6th ed.; edited by P. V. Watkins.
- Cleckheaton (Yorks.) : Standardization of Tar Products Tests Committee, 1968.
- vii, 662 p., 5 fold. plates : ill.
Coal-tar--Testing.
Coal-tar products--Testing.
Coal-tar--Testing.
Coal-tar products--Testing.