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| Utgitt
| Boston : Houghton Mifflin , 1976
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| Omfang
| 109 p. : ill. (some col.)
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| Opplysninger
| Text and drawings describe the subways, sewers, building foundations, telephone and power systems, columns, cables, pipes, tunnels, and other underground elements of a large modern city.
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| Emner
| |
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| ISBN
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