000
00314nam a2200121Ia 4500
008
220201s1972 xx 000 0 eng d
082
_b
ROS
100
_a
Rosen Berg, David
245
0
_a
Realm of Science: Discovering of the nature
260
_b
Touchstone publishing company
_c
1972
300
_a
191
942
_2
ddc
999
_c
23571
_d
23571