Power sources 3: Research and development in non mechanical electrical power sources /Proceeding of the 7th international symposium held at Brighton September 1970 - England: Oriel Press Limited, 1971 - ix, 654p. ISBN: 0-85362-111-X Subjects--Topical Terms: Power Subjects--Index Terms: Non mechanical Universal Decimal Class. No.: 621.35.001.5(082.2) / L1