Nilsson, Harold D. <br/><br/>
Multiple longshore sand bars  environments of deposition and a model for their generation and maintenance /  [microform] : 
Harold D. Nilsson. 
 - Ann Arbor, Mich. :  University Microfilms International ,  1979. 
 - 2 microfiches ;  11 x 15 cm. 
<br/><br/>Thesis (Ph.D.)-University of Massachusetts, 1979. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sedimentation and deposition--Environmental aspects.<br/>Marine sediments.