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LONEY (S L), . (1911). Elements of co-ordinate geometry part I. London: Macmillan & Co. Ltd.
LONEY (S L), . 1911. Elements of co-ordinate geometry part I. London: Macmillan & Co. Ltd.
LONEY (S L), . Elements of co-ordinate geometry part I. London: Macmillan & Co. Ltd. 1911.