A comprehension text book of theoretical chemistry for Leaving Certificate pass students / L. M. Simmons ; with a foreword by Eric Ashby. Simmons, L. M. (Lewis Michael) Chemistry, Physical and theoretical Problems, exercises, etc. 541 19 SIC "Specially written to cover the theoretical chemistry required for the Leaving Certificate as laid down in the 1945 syllabus." Includes index. Sydney : William Brooks, 1955. 1955. 1946 Text xix, 407 p. : eng