Physics of snow , avalanches and glaciers :  fizika snega snezhnye laviny i led nik , 
edited by G. K. Sulakvelidze and M. A. Dolov 
 - ii  INSDOC  1973 
 - 575 p.:  Map ;  24 cm. 
<br/><br/><label>ISBN: </label> Rs.58 
<br/><br/><label>Dewey Class. No.: </label>551.31