TY - BOOK AU - Krizek,Raymond J. TI - Structural analysis and design of pipe culverts T2 - National Cooperative Highway Research Program. Report SN - 0309019060 U1 - 625.7342 PY - 1971/// CY - Washington] PB - Highway Research Board, National Research Council KW - Culverts KW - MCE KW - Pipe N1 - "Research sponsored by the American Association of State Highway Officials in cooperation with the Federal Highway Administration."; NCHRP project 15-3 FY '68; 0; 0; 0; 625_734200000000000_STR ER -