TY  - BOOK
AU  - De Roos,Gerlof Th
TI  - The impact of tourism upon some breeding wader species on the Isle of Vlieland in the Netherlands' Wadden Sea: with a summary in Dutch 
T2  - Wageningen. Landbouwhogeschool. Mededelingen ; 
U1  - 338.4791 23
PY  - 1981///
CY  - Wageningen [Netherlands]
PB  - H. Veenman & Zonen
N1  - Bibliografía: pp. 126-131
ER  -