document

Aircraft performance data in the aircraft industry

Wittenberg, H. (author)

report 1990

document

Solid fuel combustion chamber progress report XVII: January-June 1990

Wittenberg, H. (author), Korting, P.A.O.G. (author), Zandbergen, B.T.C. (author), Wijchers, T. (author), Elands, P.J.M. (author), de Wilde, J.P. (author), Dijkstra, F. (author)

report 1990

document

The dynamic stability of the helicopter

Wittenberg, H. (author)

report 1993

document

User's guide for the program ANOPCYS-version 1.0

Wittenberg, T.C. (author)

report 1999