Hoelang blijven we de fietshelm nog negeren ?

Author(s)
Goldenbeld, C. Venema, A. & Dijkman, A.
Year

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Publication

Library number
972005 ST [electronic version only]
Source

Verkeerskunde, Vol. 48 (1997), No. 10 (oktober), p. 32-36, 14 ref.

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