Safety helmets for pedal cyclists, a pilot study amongst children
| Hlavní autor: | |
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| Další autoři: | |
| Médium: | Kniha |
| Jazyk: | angličtina |
| Vydáno: |
Crowthorne, Eng.
Transport and Road Research Laboratory
1977.
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| Edice: | Supplementary report - Transport and Road Research Laboratory
no. 283. |
| Témata: |