000
00270nam a2200109Ia 4500
100
_a
Nuffield
942
_c
BK
245
_a
Nuffield combined science
_b
teachers guide II sections 6 to 10
260
_a
Penguin books, London
_c
1970
082
_a
507 Nuf
300
_a
vii, 379
999
_c
22055
_d
22055