Recovery and restoration of damaged ecosytems :  proceedings of the international symposium on the recovery of damaged ecosytems held at Virginia Polytechnic Institute and State University on March 23-25, 1975, 
Edited by J. Cairns. 
 - Charlottesville :  University Press of Virginia,  1977. 
 - x, 531 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0813906768 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology--Congresses.<br/>Environmental protection--Congresses.