TY - BOOK AU - Hartree,Douglas R. TI - The calculation of atomic structures: based on lectures given under the auspices of the William Pyle Philips fund of Haverford College 1955 U1 - 530.1 PY - 1957/// CY - New York PB - J. Wiley KW - Atomic structure KW - Numerical analysis KW - Finite differences N1 - Includes bibliographical references and index ER -