Four-wheel-drive vs. caterpillar tractor.
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| Title: | Four-wheel-drive vs. caterpillar tractor. |
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| Authors: | Greer, E. R. |
| Source: | Journal of the Society of Automotive Engineers; October 1920, Vol. 7, p385-387, 3p |
| Database: | Applied Science & Technology Source |
| ISSN: | 00972010 |
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