000
00261nam a2200121Ia 4500
100
_a
Grolier
942
_c
BK
245
_a
Book of populer science
260
_a
New-york
_b
Grolier society INC
_c
1963
082
_a
503
_b
Gro
300
_a
420
546
_a
English
999
_c
340983
_d
340983
041
_a
eng