Watanabe, Hiroshi, 1927- Operator methods in ligand field theory / Hiroshi Watanabe. - Prentice-Hall, [1966]. - ix, 193 p. : ill. ; 24 cm. - Prentice-Hall international series in chemistry . Includes index. Bibliography: p. 187-188. LCCN: 66020259 Subjects--Topical Terms: Ligand field theory. Subjects--Index Terms: ფიზიკა LC Class. No.: QC176 / .W35 Dewey Class. No.: 530.14 Universal Decimal Class. No.: 53