Hasbrouck, W. P. NOAA technical report ERL 266 - ESL 29 : the amchitka geopiezomagnetic experiment/ W. P. Hasbrouck and J. H. Allen - Washington, D.C. : U.S. Department of Commerce, 1973 - iii, 35 p. ; ill. ; 28 cm. Subjects--Topical Terms: GeomagnetismEarth Science Dewey Class. No.: 538.7