Theobald, D W Concept of energy - - London E. & F. N. Spon Ltd. 1966 - xv, 192 p.:illus ISBN: ISSN: Subjects--Index Terms: General physics Physics Optics Biophysics Astrophysics Nuclear physics Radioactivity Quantum theory Mechanics Hydrostatics Thermodynamics Science Chemistry Dewey Class. No.: 530.1