TY - CONF AU - Nicholas Carino C2 - Proceedings 2001 World Structural Engineering Congress, ASCE DA - 2001-05-01 LA - en PB - Proceedings 2001 World Structural Engineering Congress, ASCE PY - 2001 TI - The Impact-Echo Method: An Overview UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=860355 ER -