00479pamaa2200157 4500 0000017588 20060621090000.0 0442319231 624.183412 LIB 1990 TA683.9 LIB 1990 LIBBY Modern prestressed concrete : design principles and construction methods James R. Libby. 4th ed. New York: Van Nostrand Reinhold, 1990. xv, 871p.: 24cm. Prestressed concrete construction