Molecular structure : the physical approach / by J.C.D. Brand & J.C. Speakman. Brand, J. C. D. (John Charles Drury) Speakman, J. Clare (James Clare), 1907- joint author. Chemistry, Physical and theoretical. Molecular structure. QD501 .B786 541.22 BRM Includes index. London : Edward Arnold, 1960. 1960. 1960 Text 300 p. : eng