000
002920000a22001210004500
008
160429b1954 xxu||||| |||| 00| 0 eng d
041
_a
eng
080
_a
621.3
_b
U5
942
_c
BK
110
_a
Unesco
245
_a
Inventories of apparatous and materials for teaching science
260
_c
1954
999
_c
8419
_d
8419