Ladd, M. F. C. Structure and bonding in solid state chemistry/ M.F.C. Ladd - Chichester New York Ellis Horwood ; Halsted Press 1979 - 326 p. - Ellis Horwood Series in chemical science . ISBN: 0-470-26597-3 0-85312-095-1 0-85312-103-6 LC Class. No.: QD461 / .L32 1979