TY - GEN TI - PRELIMINARY PUBLICATION U1 - 624.1834 PY - 0000/// CY - Delhi PB - Kripal Printing Press KW - Prestressed Concrete -- Congresses KW - Prestressed Concrete Construction -- Congresses N1 - 297 P; At The Head Of The Title : Indian National Group Of The International Association For Bridge And Structural Engineering ER -