Roggenthen, William Michael. <br/><br/>
Paleomagnetism of late cretaceous-early tertiary European pelagic limestone  [microform] / 
William M. Roggenthen. 
 - Ann Arbor, Mich. :  University Microfilms International ,  1981. 
 - 2 microfiches ;  11 x 15 cm. 
<br/><br/>Thesis (Ph.D.)-Princeton University, 1980. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Paleomagnetism.