TY  - BOOK
AU  - O'CALLAGHAN,KAREN
TI  - TIERE, PFLANZEN UND DIE ERDE / 
U1  - CH 
PY  - 1988///
CY  - [S.N] : 
PB  - PESTALOZZI- VERLAG ، 
KW  - SCIENCE
KW  - GERMAN LANGUAGE
KW  - CHILDREN
KW  - BOTANY
ER  -