TY  - BOOK
AU  - Betten,Cornelius
AU  - Mosley, Martin Ephriam
TI  - The Francis Walker types of Trichoptera in the British museum
PY  - 1940///
CY  - London
PB  - Printed by order of the Trustees of the British museum
KW  - Caddisflies
KW  - Insecta (Sistematica - Ordens Menores)
N1  - At head of title: British museum (Natural history)
ER  -