Results of an inquiry concerning : the maintenance of unpaved roads in developing countries
Bok Engelsk 1987
| Utgitt | Paris : Organisation for Economic Co-Operation and Development , 1987
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|---|---|
| Omfang | 87 s. : ill.
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| Emner | |
| Dewey | |
| ISBN | 0837122201. - 9780837122205
|
