TY  - GEN
AU  - Thomas, N R,
AU  - Lewis, N W,
TI  - Farming and Birds in Wales: A Management Guide 
SN  - 1901930009 (paperback)
AV  - QL677.4 T46
CY  - The Lodge, Sandy, Bedfordshire
PB  - The Royal Society for the Protection of Birds
KW  - Vertebrates
KW  - Birds
KW  - Population dynamics
N1  - Includes bibliographical references
ER  -