TY  - BOOK
T1  - Monitoring butterflies for ecology and conservation the British butterfly monitoring scheme
A1  - Pollard, Ernest
A2  - Yates, Tina J.
PP  - London
PB  - Chapman & Hall
YR  - 1993
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-1685523046125085130
OP  - 274
NO  - "Published in association with the Institute of Terrestrial Ecology (Natural Environmental Research Council) and the Joint Nature Conservation Committee."
CN  - QL 555 G7 1993
SN  - 0412634600
KW  - Butterflies : Ecology. : Great Britain.
KW  - Butterflies : Monitoring : Great Britain.
KW  - Wildlife conservation : Great Britain.
ER  -