TY  - BOOK
AU  - Ewer,R.F.
AU  - Cullen,J.M.
AU  - Beer,C.G.
TI  - The Biology and Behaviour of a Free-Living Population of Black Rats (Rattus rattus)
T2  - Animal Behaviour Monographs
U1  - 599.352 23
PY  - 1971///
CY  - London, U.K.
PB  - Bailliere Tindall
KW  - Rattus rattus
KW  - Black rats
KW  - Ratas negras
N1  - Referencias bibliográfica: p. 174
ER  -