00512nam a2200169 a 450000500170000002000150001708200150003210000170004724500420006426000480010630000260015469000400018096400160022099700190023699900170025595200700027220251203110430.0  a0521530474  a541.2bSIM  aSimons, Jack  aIntroduction to Theoretical Chemistry  aCambridgebCambridge University Pressc2003  axiii,461p.c22 cm PB.  aChemistry, Physical and Theoretical  bcdefg_  a107462 LIBSC C  c89779d89779  00104070aPUbPUd2004-02-10g1402.50l0o541.2 SIMp107462yBK