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by Lockwood, Robert P.
by Johnson, William P.; Lockwood, Mark
by Jensen, Antony C.; Collins, K. J.; Lockwood, A. P.
by Lockwood, J. P.; Jackson, Thomas
by Lockwood and Thomas Jackson, J. P.
by John P Lockwood (Geohazards Consultants International Inc); Richard W. Hazlett (Pomona College)
by Beeby, J. L.; Bhattacharya, P. K.; Gravelle, P. C.; et al.