000 00286pam a2200121a 44500
010 _a63015889
082 _a540
_bC4198C
100 _aChemical Bond Approach Project
245 1 _aCHEMICAL SYSTEMS
260 _a
_bMcgraw-Hill Book Company
_c1963
964 _gCIRC
997 _aK6092 C
999 _c380332
_d380332