TY - GEN AU - PHILIPS, WILLIAM R TI - PLANT CAST PRECAST AND PRESTRESSED CONCRETE U1 - 624.183412 PY - 1980/// CY - USA PB - THE PRESTRESSED CONCRETE ASSIOCATION N1 - PRESTRESSED CONCRETE; 0; 0; 0; 624_183412000000000_PHI_PHILIP ER -