Sistema Bibliotecario Area Metropolitana

Berkeley : University of California, division of agricultural sciences, 1975

New York (etc.) : Wiley, 1975)

London : Royal Entomological Society of London, 1975

Handbooks for the identification of British insects ; 5/10

London : Royal entomological Soc. of London, 1975

Handbooks for the identification of British insects ; 6.3.c

3. ed., edited and revised by Robin Edwards

London : Associated Business Programmes, c1975