TY - BOOK AU - Epstein, Saul T AU - TI - (The) variation method in quantum chemistry U1 - 541.1:530.145 PY - 1974/// CY - New York PB - Academic Press KW - Physical chemistry KW - Polymers KW - Thermodynamics KW - Chemistry KW - Spectroscopy KW - Biochemistry KW - Spectrum analysis KW - Acids KW - Bases- chemistry KW - Physical science KW - Science KW - Chemical engineering KW - Biotechnology KW - Chemical technology ER -