TY - BOOK AU - Khachaturian, Narbey AU - Ali, Iqbal, coaut.Thorpe, L.T., coaut. TI - Investigation of prestressed concrete for highway bridges p-art 2: analytical studies of relations among various design- criteria for prestressed concrete / by Narbey Khachaturian-, Iqbal Ali, L.T. Thorpe CY - Urbana, illinois : University of Illinois, Engineering Experiment Station ER -