TY - SER
AU - Roy D. B.
AU - Rothery Peter
AU - Brereton Tom M.
CY - Sofia
DA - 2005
LA - eng
PB - Pensoft
PP - Sofia
PY - 2005
TI - The design of a systematic survey scheme to monitor butterflies in the United Kingom.  In: Studies on the Ecology and Conservation of butterflies in Europe, vol 1. General concepts and case studies, pp. 102-105. Kuhn, E., Fieldmann, R. Thomas, J.A. and Se
ER -