000 00455nam a2200145Ia 4500
008 190328s9999||||xx |||||||||||||| ||und||
040 _aNITIL
_cNITIL
082 _221st
_a549.8
_bI39R
110 _aIndia. Ministry of Industry and Supply
245 0 _aReport of the committee on conservation of metallurgical coal
260 _aDelhi
_bManager of Publications
_c1951
300 _a149p.
650 _aMetallurgy; Coal; Coal mines and mining
942 _cBKS
999 _c32407
_d32407