TY - GEN AU - Evans, A G AU - Wiederhorn, S M AU - Linzer, M AU - Fuller, E R C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1974-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.74-512 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1974 TI - The proof testing of porcelain insulators and the application of acoustic emission: ER -