TY - BOOK AU - Novakovic Ljubisav TI - Pseudo-spin method in magnetism and ferroelecticity T2 - International series of monographs in natural philosophy; 77 U1 - C74, L5-;1 PY - 1975/// CY - Oxford PB - Pergamon Press KW - Physics KW - Ferromagnetsim N1 - Appendix 175-194p ER -