1. Ecology and coal resource development :
پدیدآورنده : edited by Mohan K. Wali.
کتابخانه: Center and Library of Islamic Studies in European Languages (Qom)
موضوع : Coal -- Congresses.,Coal mines and mining -- Congresses.,Energy policy -- Congresses.
رده :
TN799
.
9
E358
1979
