Direct Doppler and scattering mechanism studies of meteor head-echoes using the Arecibo 430 MHz radar Mathews, J. D. ; Meisel, D. D. ; Janches, D. ; Getman, V. S. ; Zhou, Q. -H. Abstract Publication: Meteroids 1998 Pub Date: 1999 Bibcode: 1999md98.conf...75M