Robert E. Leffler
- Efficiency of Tubular Framing for Medium-Height Buildings. Dans: Engineering Journal, v. 16, n. 4 (décembre 1979). (1979):
- Calculation of Wind Drift in Staggered-Truss Buildings. Dans: Engineering Journal, v. 20, n. 1 (mars 1983). (1983):
- Fatigue Tests of Beams with Rectangular Web Holes. Dans: Journal of the Structural Division (ASCE), v. 97, n. 2 (février 1971). (1971):