found: Work cat.: Kulke, Bernhard. Energy distribution of a spiraling electron beam, 1969:abstract ("A retarding-field analyzer was used to investigate the energy conversion and the energy spread of a spiraling electron beam ...")
found: McGraw-Hill dictionary of scientific and technical terms, 1994:p. 680 ("energy conversion - the process of changing energy from one form to another")
found: Academic Press dictionary of science and technology, 1992:p. 748 ("energy conversion - Physics. A transformation of one form of energy to another, such as the process of a falling body, in which potential energy is converted to kinetic energy.")
notfound: Chambers dictionary of science and technology, 1999
