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 /
Royal Entomological Society of London.Symposium(15th :1989 :Imperial College, London)
Collins, N. Mark.
Thomas, J. A.
London : Academic Press,
c1991.