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  1.  15
    Note on the three-point, or pothenot's, problem.H. G. Fourcade - 1895 - Transactions of the Royal Society of South Africa 9 (2):51-53.
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  2.  18
    On a stereoscopic method of photographic surveying.H. G. Fourcade - 1903 - Transactions of the Royal Society of South Africa 14 (1):28-35.
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  3.  15
    On the repetition of angles.H. G. Fourcade - 1890 - Transactions of the Royal Society of South Africa 8 (1):63-76.
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