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Citation: Lt. Fialkowski et al., Matched-field source tracking by ambiguity surface averaging, J ACOUST SO, 110(2), 2001, pp. 739-746

Authors: Rothschopf, GK Perkins, JS Li, SG Yang, DS

Citation: Gk. Rothschopf et al., Zero electron kinetic energy spectroscopy and theoretical calculations of InNH3, J PHYS CH A, 104(35), 2000, pp. 8178-8182

Authors: Orris, GJ Nicholas, W Perkins, JS

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Authors: Fialkowski, LT Collins, MD Kuperman, WA Perkins, JS Kelly, LJ Larsson, A Fawcett, JA Hall, LH

Citation: Lt. Fialkowski et al., Matched-field processing using measured replica fields, J ACOUST SO, 107(2), 2000, pp. 739-746

Authors: Moleele, NM Perkins, JS

Citation: Nm. Moleele et Js. Perkins, Encroaching woody plant species and boreholes: is cattle density the main driving factor in the Olifants Drift communal grazing lands, south-eastern Botswana?, J ARID ENV, 40(3), 1998, pp. 245-253