TY - BOOK AU - Sigua,Ricardo G. TI - Fundamentals of traffic engineering SN - 9789715425520 AV - HE333 .S5466 2008 PY - 2008///] CY - Diliman, Quezon City PB - University of the Philippines Press KW - Traffic engineering KW - Traffic safety N1 - Includes bibliographical references and index ER -