1. Christiani and Nielsen BT 35-ON 29402, Rupel Tunnel, Boom.
2. Ballast Needam Beton-en waterbouw by, Dirk Verstoep by, etc. Tunnels in the Netherlands-Underground Transport Connections, November 1987,1987
3. Practical Accuracies of Construction of Immersed Tunnels — A Case Study on The Fort McHenry Tunnel Baltimore, USA, ICE Conference Paper, Manchester, England, April 1989;Grantz,1989
4. Planning the Third Harbor Tunnel in Boston, Massachusetts USA, ICE Conference Paper, Manchester, England, April 1989;Grantz,1989
5. Havno, K., 1969. John F. Kennedy Tunnel, Tunnels Tunnelling, July 1969, pp. 68–73.