TY  - BOOK
AU  - Ahlen,Ingemar
TI  - Identification of bats in flight
SN  - 9155850421
PY  - 1990///
CY  - Stockholm
PB  - Swedish Society for Conservation of Nature
KW  - Bats
KW  - Identification
KW  - Flight
N1  - Includes bibliographical references (p.48-50)
ER  -