Biotope mapping in the urban environment : proceedings of a symposium held on 9 october 1998 in Rotterdam / 
Edtided by : Jelle W.F. Reumer & Martin J. Epe. 
 -- Rotterdam :   Natuurmuseum Rotterdam,   1999 
 - 84 p.  il. -- 
 (Deinsea, ISSN 0923-9308  ; 5).
<br/><br/>ISBN 90-73424-13-5 
<br/><br/><label>Universal Decimal Class. No.: </label>711.4(063)