Cost functions for class II railroads--1968 and 1973 / Nancy D. Sidhu, Alberta Charney, John F. Due.Nancy Dayton Sidhu1975ZIP
Evaluation of aerial patrol of interstate highways by the Illinois State police / James P. O'Brien, Charanjit S. Sidhu.James O'Brien1980ZIP
Cost functions of Class II railroads and the question of railway abandonment / Nancy D. Sidhu, John F. Due.Nancy D. Sidhu1974ZIP
Environmental Impacts of Vegetation Management by Mechanical and Chemical (hexazinone) Methods Including Residue Chemistry / S.S. Sidhu and J.C. Feng.S. Sidhu1990ZIP