000
00287cam a2200121 4500
020
_a
035603982X (hbk.)
100
1
_a
GATLAND Kenneth W
245
0
_a
Exploring space
250
_a
2nd ed.
260
_a
London:
_b
McDonald Educational Ltd,
_c
1976
300
_a
48p.
945
_i
0010884
_r
Y
_s
Y
999
_c
46162
_d
46162