TY - BOOK AU - Hellwege, K. H. AU - Hellwege, A. M. TI - Landolt bornstein: numerical data and functional relationships in science and technology : vol. 4 part a U1 - 502.12 PY - 1970/// CY - Berlin PB - Springer Verlag KW - Natural Science and Mathematics N1 - Magnetic and other properties of oxides and related compounds : vol.4 ER -