000 00294nam a2200121Ia 4500
008 190719s9999 xx 000 0 und d
100 _aVishwanathan, C G
245 0 _aCatalouging theory & practice
250 _a4th
260 _aNew Delhi
_bToday & Tommorrow
650 _aHistory
942 _cBK
999 _c1627
_d1627