TY - BOOK T1 - Proceedings 15th national symposium on bridge and structural engineering LA - English PP - Tokyo PB - Japan Society for the Promotion of Science YR - 1970 UL - https://ds.mainlib.upd.edu.ph/Record/UP-99796217602814915 OP - 200 CN - TG 260 S978 1968 KW - Electronic data processing - Structural engineering. ER -