TY  - GEN
TY  - GEN
T1  - The trials of life : a natural history of animal behaviour
A1  - Attenborough, David
LA  - eng
PP  - London
PB  - Collins / BBC Books
YR  - 1990
UL  - https://kansalliskirjasto.finna.fi/Record/vaari.854497
SN  - 0-00-219912-2
ER  -