TY - BOOK AU - Cramer,Christopher J. TI - Essentials of computational chemistry: theories and models SN - 9780470091821 (pbk.) U1 - 541.0285 PY - 2004/// CY - Hoboken, NJ PB - Wiley KW - Chemistry, Physical and theoretical KW - Data processing KW - Mathematical models N1 - Includes bibliographical references and index ER -