000 00281nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a66(083.53)
_bPAT
100 _aPathak, H N
245 0 _aReady reckoner for product selection
260 _aNew Delhi
_bNIESBUD
_c1987
942 _cBK
999 _c39655
_d39655