BWARS members' handbook.
Archer, Michael E.(Michael Edward)
Centre for Ecology and Hydrology (Great Britain)
BWARS (Organization)
[Monks Wood, Abbots Ripton, Huntingdon] : Centre for Ecology and Hydrology,
2005.
Issued by the Bees, Wasps and Ants Recording Society.
Includes bibliographies.
Hymenoptera