Performance Results on the Laser Portion of the Keck Laser.. - Friedman Cooke(Correct)
Guide Star System H. W. Friedman, J. B. Cooke, P.M. Danforth, G. V. Erbert, M. Feldman, D. T. Gavel,
Laser Guide Star System H. W. Friedman, J. B. Cooke, P.M. Danforth, G. V. Erbert, M. Feldman, D. T. www.eso.org/gen-fac/meetings/eso-osa98/proceedings/friedman.ps.gz