TY - BOOK ED - American Association of the State Highway and Transportation Officials TI - AASHTO maintenance manual: the maintenance and management of roadways and bridges SN - 1560511354 U1 - 625.76 PY - 1999/// CY - EUA PB - AASHTO KW - Carreteras - mantenimiento y reparaciĆ³n KW - Puentes - mantenimiento y reparaciĆ³n ER -