(1950). Economical span length ratios for three-span continuous girder bridges / by Donald H. Timmer.
Citazione stile Chigago Style (17a edizione)Economical Span Length Ratios for Three-span Continuous Girder Bridges / by Donald H. Timmer. 1950.
Citatione MLA (9a ed.)Economical Span Length Ratios for Three-span Continuous Girder Bridges / by Donald H. Timmer. 1950.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.