TY - BOOK ED - Conference on Acoustic Emission/Microseismic Altivity in Geologic Structures and materials TI - Proceedings second conference on acoustic emission/microseismic activity in geologic structure and materials: held at the Pennsylvania State University, University Park Pennsylvania, November 13-15, 1978 T2 - Series on rock and soil mechanics SN - 0878490329 PY - 1980/// CY - Clausthal-Zellerfeld, Germany PB - Trans Tech Publications KW - Acoustic emission KW - Congresses KW - Microseimic KW - Geology, Structural N1 - Includes list of participants; Includes bibliographical references ER -