000 00373pam a2200157a 44500
008 160408b1972 xxu||||| |||| 00| 0 eng d
010 _a72159625
082 _a541.224
_bL529
100 _aLehr,R.E.
245 1 _aORBITAL SYMMETRY
_bA PROBLEM-SOLVING APPROACH
250 _a0
260 _a
_b
_c1972
700 _aMarchand,A.P.
964 _gCIRC
997 _aA28898 C
999 _c244801
_d244801