TY  - BOOK
AU  - HARDY, H. Reginald
TI  - Proceedings: second conference on acoustic emission /microseismic activity in geologic structures and materials
U1  - 622.159 C53P 
PY  - 1980///
PB  - Rockport , U.S
KW  - PROSPECTING -- GEOPHYSICAL METHODS -- CONGRESSES
KW  - ACOUSTICAL ENGINEERING -- CONGRESSES
KW  - GEOLOGY -- CONGRESSES
KW  - PROSPECTING -- GEOPHYSICAL METHODS -- CONGRE
ER  -