000 00529nam a22001337a 4500
008 230725b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _aT 622.273
_bN2
245 _aWorkability indices of coal seams
_c/ Funded from coal S & T Grant of Department of Coal, Ministry of Energy, Government of India December 1986 - December 1989
260 _aDhanbad:
_bCentral Mining Research Station,
_c1992
300 _a64p.
650 _aWorkability project
942 _2udc
_cREF
999 _c54838
_d54838