000 00243nam a22001097a 4500
020 _a0-87065-653-8
082 _a540
_bOBE/CON
100 _aJOSEPH OBERKRIESER
245 _aCONCEPT IN MODERN CHEMISTRY
260 _bGLOBE
_c1975
942 _2ddc
_cBK
999 _c1430
_d1430