Abstract
This report is described about information sources, author's indexes and some administration statistics of Nuclear Science Abstracts of Japan, prepared by computer. About 5,500 abstracts are used for input and output treatment, and estimation of results. By this treatment, recent tendency of literatures about nuclear power in Japan is showed, for instance, distribution of information sources and time-variation of used languages, etc. Further it is showed, that in the nuclear power field, information sources are distributive, 3/4 of all treated literatures belong to 58 journals, and 1/4 remained belong to 360 journals. Used langruages are seemed to be europeanized gradually, and in 1967 about half of original papers are written by european languages (mainly English).