000 00421nam a2200133Ia 4500
008 210828s9999 xx 000 0 und d
082 _aD65 .Q1305
100 _a"Sangeevi, T "
245 0 _aMine Safety Monitoring System Using GSM
260 _aCoimbatore
260 _b PSG College of Arts and Science
260 _c2013
942 _cBK
999 _c137934
_d137934