Effective design of least-squares methods for wavefield extrapolators Saleh Al-Saleh, Gary Margrave, and John BancroftSeptember 2006 | Volume 31 Issue 07 | View Issue aaa Admin2006-09-01T00:00:00-06:00 Toggle Sliding Bar Area Contact Info P.O. Box 520, Station M, Calgary, AB T2P 2J2 Phone: (403) 262-0015 Email: Email Us