000 00248nam a2200109Ia 4500
008 220201s9999 xx 000 0 eng d
100 _aBANDYOPADHYAY (JN)
245 0 _aDESIGN OF CONCEPTS STRUCTURE
250 _a2ND
260 _bPHI
942 _2ddc
999 _c99205
_d99205