Inventories of Apparatus and Materials for Teaching Science . vol. III: Technical Colleges . pt. 4, Electrical Engineering . UNESCO, Paris, 1954. (Distrib. by Columbia Univ. Press, New York.) 147 pp. Paper, $2.75.
作者
Lawrence A. Harris
出处
期刊:Science [American Association for the Advancement of Science] 日期:1955-07-01卷期号:122 (3157): 37-37