Hecker, K. P.
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Life Jacket for Fire Service Use.
Frankfurt Fire Dept., West Germany
Fire International,
Vol. 6,
No. 65,
85-92,
September 1979
Hecker, K. P.
view article (9.58703)
International Fireboats.
International Fireboats,
EFB-Verlag, Germany,
222 p.,
1982
Hecker, K. P.
view article (9.58703)
New System to Assist in Fire-Fighting on Waterways.
Frankfurt Main Fire Dept., West Germany
Fire International,
No. 63,
73-78,
March 1979