TY - BOOK AU - Benioff,H. TI - Long-Period surface waves from the chilean earthquake of may 22, 1960, recorded on linear strain seismographs T2 - International Geophysics Series SN - 0-12-243780-2 PY - 1961/// KW - Rock mechanics KW - Research KW - Congresses KW - Rocks KW - Permeability ER -