000 00298pam a2200121a 44500
010 _a66029689
082 _a540.76
_bUN2 V.2
100 _aBarrow, Gordon M.
245 1 _aUNDERSTANDING CHEMISTRY
_bCHEMICAL BONDING
260 _a
_bW. A. Benjamin, Inc.
_c1967
964 _gCIRC
997 _a78508 C
999 _c409606
_d409606