000 00312nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c1800
040 _aET
100 _aSEWA SINGH
245 0 _aMANUAL OF REF. INF. SOURCE
260 _bB.R. PUB.
_aDELHI
300 _a725
500 _a13279
942 _cBK
999 _c19536
_d19536