Unifying concepts in ecology :  report of the plenary sessions of the First international congress of ecology, The Hague, the Netherlands, September 8-14, 1974 / 
editors, W.H. van Dobben and R.H. Lowe-McConnell. 
 - The Hague : Wageningen :  The Hague : Wageningen :  W. Junk ; Centre for Agricultural Pub. and Documentation,  W. Junk ; Centre for Agricultural Pub. and Documentation,  1975. 
<br/><br/>Includes bibliographies and indexes. 
<br/><br/><label>ISBN: </label>9061931746 9022005240 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology -- Congresses.--Ecology -- Congresses.