Bibliography

1997
Edwards Robin (1997) Provisional atlas of the aculeate Hymenoptera of Britain and Ireland, Part 1.. , , ,
van Strien Arco J., van de Pavert R, Moss D., Yates T. J., van Swaay Chris A. M., Vos P. (1997) The Statistical Power of Two Butterfly Monitoring Schemes to Detect Trends. Journal of Applied Ecology, , 34, 817-828
Haes E.C.M., Harding Paul T. (1997) Atlas of grasshoppers and allied insects in Britain and Ireland. , , ,