1
The coal handbook : towards cleaner production . 2 . Coal utilisation /
Book
...Woodhead Publishing series in energy ;...
Table of Contents 
2
Coal science and engineering /
Book
...Woodhead Publishing India in energy...
Table of Contents 
3
World Energy Conference. 7, 5A2. Transactions Fuels and the economic effectiveness of their utilisation : Moskva, 20.8.-24.8.68.
Book
1970
...World Energy Conference ;...