1. Public transit risk management [microform] : a handbook for public transit executives, final report / prepared by V. Wallace Ryland ; prepared for Office of Transit... Author: Ryland, V. Wallace Format: Book and Microform Language: English Published: [1978, reissued 1984]
2. Urban mass transportation abstracts Uniform Title: Urban mass transportation abstracts (annual) Format: Journal Language: English Published: [1972-1980]