Trans Tech Pub & Reginald-Hardy, H. (1989). Acoustic emission/microseismic activity in geologic structures and materials: Proceedings of the fourth conference held at the Pennsylvania State University Park, Pennsylvania October 22-24, 1985. Trans Tech Pub.
Παραπομπή σε μορφή Chicago (17η εκδ.)Trans Tech Pub και H. Reginald-Hardy. Acoustic Emission/microseismic Activity in Geologic Structures and Materials: Proceedings of the Fourth Conference Held at the Pennsylvania State University Park, Pennsylvania October 22-24, 1985. Clausthal: Trans Tech Pub, 1989.
Παραπομπή σε μορφή MLA (8th εκδ.)Trans Tech Pub και H. Reginald-Hardy. Acoustic Emission/microseismic Activity in Geologic Structures and Materials: Proceedings of the Fourth Conference Held at the Pennsylvania State University Park, Pennsylvania October 22-24, 1985. Trans Tech Pub, 1989.
