Hoffman, E. J. 1925 The concept of energy : an inquiry into origins and applications / Energy by E. J. Hoffman - Ann Arbor, Mich. : Ann Arbor Science Publishers, 1977 - ix, 573 p. : ill. ; 24 cm. ISBN: 0250401533 RM29.50 Subjects--Topical Terms: Force and energyThermodynamicsPower (Mechanics)