International Geophysical Calendar for 1961

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Science  30 Dec 1960:
Vol. 132, Issue 3444, pp. 1941-1943
DOI: 10.1126/science.132.3444.1941


Coordination of certain types of geophysical observations and analyses throughout the world is accomplished by the advance selection of days and intervals for such work. A committee under the International Council of Scientific Unions has issued the calendar for 1961, together with a brief explanation and examples of how it may be used in planning geophysical programs.