Phương hướng (Vietnamese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Phương hướng" in Vietnamese language version.

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6^th place

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Robert J. Twiss, Eldridge M. Moores (1992). “§2.1 The orientation of structures”. Structural geology (ấn bản thứ 2). Macmillan. tr. 11. ISBN 0-7167-2252-6. ...the attitude of a plane or a line — that is, its orientation in space — is fundamental to the description of structures.
William Anthony Granville (1904). “§178 Normal line to a surface”. Elements of the differential and integral calculus. Ginn & Company. tr. 275.
Augustus Edward Hough Love (1892). A treatise on the mathematical theory of elasticity, Volume 1. Cambridge University Press. tr. 79 ff.
Marcus Frederick Charles Ladd, Rex Alfred Palmer (2003). “§2.3 Families of planes and interplanar spacings”. Structure determination by X-ray crystallography . Springer. tr. 62 ff. ISBN 0-306-47454-9.