000 00275nam a2200121Ia 4500
008 180414s9999 xx 000 0 und d
100 _aRay, G.L.
245 _aExtension Communication & Management
250 _a4th
260 _aKalkutta
260 _bNaya Prakash
260 _c1991
942 _cBK
999 _c375003
_d375003