TY - JOUR
AU - Ellis S.
BT - Transactions of the Natural History Society of Northumbria,
DA - 1999
IS - 3
LA - eng
PY - 1999
SP - 149
EP - 168
T2 - Transactions of the Natural History Society of Northumbria,
TI - The distribution, abundance conservation management of butterflies on Magnesian Limestone grassland sites in north-east England,
VL - 59
ER -