IMPORTANT NOTICE The next issue of Scientific Information Notes (SIN) will appear in December instead of November. Issues 5 and 6 will be combined and will cover October, November, and December, 1968. This will put SIN on a calendar-year basis. Edited by Staff of Office of Science Information Service Contributions and cooperation are solicited from interested individuals and organizations in this country and abroad. Address contributions to Editor, Scientific Information Notes, National Science Foundation, Washington, D. C. 20550; or call 202-343-5935. Scientific Information Notes is available at 25 cents for a single copy and on subscription for $1.25 per annum ($1.75, foreign) through the Superintendent of Documents, U. S. Government Printing Office, Washington, D.C. 20402. Reproductions of out-of-print volumes may be obtained from the Clearinghouse for Federal Scientific and Technical Information, Springfield. Virginia 22151. at $3 a volume (65 cents, microfiche) under PB 177 332 through PB 177 338 for Vols. 1 through 7. Use of funds for printing this publication approved by the Director of the Bureau of the Budget. January 6, 1966. C-3 |