Partially ordered set that admits greatest lower and least upper bounds of any two elements

Early days of X-ray crystallography / André Authier, Institut de Minéralogie et de Physique des Milieux Condensés, Université P. et M. Curie, Paris, France.

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Lattice theory

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Early days of X-ray crystallography / André Authier, Institut de Minéralogie et de Physique des Milieux Condensés, Université P. et M. Curie, Paris, France.