Einstein, Hans A. <br/><br/>
Methods of determining sand-and silt movement along the coa-st, in stuaries and in maritime rivers. Use of modern techn-iques such as radio active isotopes, luminophors, etc. pape-r by Hans A. Einstein and Ray B. Krone 

 - [Bruselas, Bélgica] : s 
 - 20 p. 
<br/><br/> "XXth International Navigation Congress, Baltimore, 1961".