00368nam a22001457a 4500 20171206153606.0 171206b xxu||||| |||| 00| 0 eng d eng 622.2 CHAKRABARTI DR. P.K. 4009 ELECTRICITY IN UNDERGROUND COAL MINING DR. P.K. CHAKRABARTI RANCHI CMPDI 297p, BK 5664 5662 0 0 0 0 MINING JRU JRU SHELF-94-B 2017-12-06 PURCHESS 200.00 0 622.2 22282 2017-12-06 00:00:00 2017-12-06 BK 0 0 0 0 MINING JRU JRU SHELF-94-B 2017-12-06 PURCHESS 200.00 1 622.2 22283 2019-05-29 00:00:00 2019-05-21 2017-12-06 BK