Umbgrove, Johannes Herman Frederick,    1899- <br/><br/>
The pulse of the earth /    
By J. H. F. Umbgrove... with parlty colo ured plates, 204 text figures and 12 tables 
 - The Hague:   M. Nijhoff,   1947 
 - xxii, 358 p. :    ill., maps (8 fold) fold. tables, diagrs. ;    25 cm 
<br/><br/>  Translated from the Dutch manuscript by J.L. van Houten. of. Pref. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology.--------<br/>Geophysics.--------<br/>Earth.--------
<br/><br/><label>Dewey Class. No.: </label>550