TY - BOOK T1 - Bridge engineering T2 - Transportation Research Record; 664 LA - English PP - Washington PB - National Academy of Sciences YR - 1978 UL - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dfi.23672 SN - 0309026962 KW - PUENTES ER -