G. T. M. Janssen / J. Huetink

OCLC:64165344

G.T.M. Janssen / Netherlands Ship Research Centre TNO, Shipbuilding Department

OCLC:840689091

G. T. M. Janssen / J. v. d Eikhoff / H. J. M. van Rongen

OCLC:63497222

R.Y. Schouten / G.T.M. Janssen

OCLC:841743635

A.W. Vredeveldt / J.J. Uwland / G.T.M. Janssen / TNO Bouw

OCLC:841890960