Alpert, Ja. L. <br/><br/>
Encyclopedia of physics; V.49  Geophysics III; Pt.5 
by Ja. L. Alpert et al. 
 - Berlin  Springer-Verlag  1976 
 - vii, 410p.  incl.bibl. 
<br/><br/><label>Dewey Class. No.: </label>530.03  / N55.49.5 "SER"