000 00291nam a22001217a 4500
005 20251023121043.0
082 _a622.8
100 _aSaxena, N C
245 _aSocial environment of coal mining complexes
260 _aNew Delhi
_b Scientific Publishers
_c2005
300 _a711p.
942 _cBK
999 _c51648
_d51648