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2. A mapping approach to three-dimensional modelling;Belcher,1992
3. Krachtbalans en effectiviteit boorproces—Tweede Heinenoord Tunnel, K 100-W-103;Huisman,1999
4. Janse, E., Poel, J.T., van der, 1997. Second Heinenoord Tunnel Geotechnical Aspects of The Design of Shallow Bored Tunnels in Soils and Soft Rocks; Recommendations of the ISSMFE Working Committee, ERTC 9. Ernst, Berlin, Germany, pp. 55–63
5. LWI/COB, 1999. Rapport 3D Modellering Heinenoord: Visualisatie van driedimensionale datasets met behulp van driedimensionale Geografische Informatie Systemen (3D-GIS). Produktgroep 1, Informatie en Communicatie Technologie, 4de fase-Visulatie 3D-GIS–activiteit 520, Centrum voor Ondergronds Bouwen (COB), Project L300, Monitoring graffront boorproces, activiteit 3.8: Integratieplatform; Gouda: Centre for Civil Engineering Research and Codes (CUR) (in Dutch)