The conservation of insects and their habitats :  15th Symposium of the Royal Entomological Society of London, 14-15 September 1989 at the Department of Physics Lecture Theatre, Imperial College, London / 
edited by N.M. Collins, J.A. Thomas. 
 - London :  Academic Press,  c1991. 
 - xviii, 450 p. :  ill. 
<br/><br/><label>ISBN: </label>0121813703 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Insects--Protection.<br/>Insects--Habitat--Protection.