De Roos, Gerlof Th. <br/><br/>
The impact of tourism upon some breeding wader species on the Isle of Vlieland in the Netherlands' Wadden Sea :  with a summary in Dutch / 
Gerlof Th. de Roos. 
 - Wageningen [Netherlands] :  H. Veenman & Zonen,  1981. 
 - 131 p. ;  il. ;  25 cm. 
 - Wageningen. Landbouwhogeschool. Mededelingen ;   81-14 .
<br/><br/>Bibliografía: pp. 126-131. 
<br/><br/><br/>Inglés 
<br/><br/><label>Dewey Class. No.: </label>338.4791