Lawson, C. L. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Hanson, R. J. (Sandia Labs, Albuquerque, N. Mex. Austin, United States)
Kincaid, D. R. (Texas Univ. Pasadena, CA, United States)
Krogh, F. T. (Jet Propulsion Lab., California Inst. of Tech.)