Engineering and environmental impacts of sinkholes and karst  proceedings 

 - Rotterdam  A.A. Blekema  1989 
 - viii,384 p. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Karst<br/>Sinkholes
<br/><br/><label>Dewey Class. No.: </label>551.447  / M87E