TY - BOOK AU - Warwaruk, J. AU - Siess, C. P. AU - Sozen, M. A. TI - Strengeh and behavior in flexure of prestressed concrete bbeams T2 - Civil engineering studies. Structural research series U1 - 693.5 PY - 1960/// CY - Urbana, Ill. PB - University of Illinois KW - Concreto KW - Construcciones KW - Resistencia de materiales ER -