000 00273nam a2200109Ia 4500
008 231212s1986 xx 000 0 und d
041 _aeng
082 _a621.38173
100 _aBiswas N.N.
245 _aPrincipal Of Carrier communication
260 _aBombay
_bNationa
_c1986
999 _c959736
_d959736