wave normal
1.EFFECTS OF INITIAL WAVE NORMAL ANGLE ON PROPAGATION OF NON-DUCTED WHISTLER WAVE AT MID AND LOW LATITUDES
3.THE NORMAL VALUE MEASUREMENT OF F WAVE IN FACIAL NERVE OF YOUNG NORMAL SUBJECTS
10.This paper studies the determination of maximum offset in converted-wave seismic exploration in terms of reflection coefficients and NMO (normal moveout) stretch.

