TY - BOOK ED - Seminar on repair and retrofit of structures (2:1981 mayo 1-6-18: Sendai and Tsukuba, Japan) TI - Proceedings of the second seminar an repair and retrofit of- structures CY - Ann Arbor, Mich. : University of Michigan, Department of Civil Engineering N1 - "US / Japan Cooperative Earthquake Engineering Research Pro-gram sponsored by the National Science Foundation through G-rant number CEE-7816730" ER -