Oceanic PN/SN phases : a qualitative explanation and reinterpretation of the T-phase /

by Walker, Daniel A.
Published 1982

Evidence of a relation between the seismic energy released along spreading and sinking edges of the Nasca Plate /

by Walker, Daniel A.
Published 1971

Easter Island seismograph observations indicative of sea-floor spreading ; plate-edge seismicity relationships; and, the prediction of earthquakes along the west coast of the Weste...

by Walker, Daniel A.
Published 1972

An evaluation of six research scanning electron miscroscopes /

by Walker, Daniel A., Parsons, A. D
Published 1975

Methods to evaluate scanning electron microscopes /

by Walker, Daniel A., Parsons, A. D
Published 1975