TY  - GEN
T1  - Cosmos (3º).
LA  - Spanish
PP  - Salamanca
PB  - Anaya, S.A.
YR  - 1977
UL  - https://gei-testing-vufind.eww-server.de/Record/manes12705
OP  - 175
KW  - Primaria
KW  - Ciencias Naturales
ER  -