Author
Pub. Date
1954.
Physical Description
27 pages : illustrations, map ; 23 cm
Language
English
Author
Pub. Date
[1984]
Physical Description
32 unnumbered pages : color illustrations ; 21 x 24 cm
Language
English
Description
Author
Pub. Date
[1937]
Physical Description
xv, 245 pages : including frontispiece, illustrations, plates. ; 24 cm
Language
English
Author
Pub. Date
1942.
Physical Description
88 pages : diagrams, tables ; 30 cm
Language
Deutsch
Pub. Date
1982 [i.e. 1983]
Physical Description
iv, 21 pages : illustrations ; 28 cm
Language
English
Author
Pub. Date
1999.
Physical Description
1 volume (unpaged) : color illustrations, color map ; 22 cm
Language
English
Description
Author
Language
English
Description
Author
Pub. Date
[2018]
Physical Description
31 pages : color illustrations ; 28 cm
Language
English
Description
Author
Series
Pub. Date
1982.
Physical Description
84 pages : illustrations, maps (1 folded), portraits ; 28 cm
Language
English
Pub. Date
1980.
Physical Description
iv, 45 pages : illustrations ; 28 cm
Language
English
Author
Series
NASA SP volume 440
Pub. Date
1981.
Physical Description
154 pages : illustrations (some color) ; 29 cm
Language
English
Pub. Date
[1994]
Physical Description
1 sheet : illustrations ; 53 x 23 cm folded to 11 x 23 cm
Language
English
Author
Series
Pub. Date
[1994]
Physical Description
1 volume.
Language
English
Author
Pub. Date
1962.
Physical Description
125 pages : illustrations ; 21 cm
Language
English
Author
Pub. Date
1975.
Physical Description
29 pages : illustrations ; 28 cm
Language
English
Pub. Date
[2005]
Physical Description
1 online resource (112 unnumbered pages) : illustrations.
Language
English
Author
Pub. Date
[2002]
Physical Description
xvi, 381 pages : illustrations ; 29 cm
Language
English
Author
Pub. Date
2008.
Physical Description
24 pages : color illustrations.
Language
English
Description

19) Tunnels

Author
Series
Pub. Date
2001.
Physical Description
47 pages : illustrations (some color) ; 22 cm
Language
English
Author
Series
Pub. Date
1988.
Physical Description
1 volume.
Language
English