Leo Spaans
- Record Span Spliced Bulb-Tee Girders Used Highland View Bridge. Dans: PCI Journal, v. 39, n. 1 (janvier 1994). (1994):
- Spliced Segmental Prestressed Concrete 1-Beams for Shelby Creek Bridge. Dans: PCI Journal, v. 37, n. 5 (septembre 1992). (1992):