TY  - BOOK
ED  - Devon Trust for Nature Conservation
ED  - Heinemann Educational Books
TI  - School projects in natural history ; edited by the Devon Trust for Nature Conservation
SN  - 0435599208
U1  - 508.071 23
PY  - 1974///.
CY  - London: 
PB  - Heinemann Educational Books, 
KW  - Natural history
KW  - Study and teaching
KW  - Project method in teaching
N1  - Includes bibliographical references
ER  -