Remarkable features in lattice-parameter ratios of crystals. II. Monoclinic and triclinic crystals

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Remarkable features in lattice-parameter ratios of crystals. I. Orthorhombic, tetragonal and hexagonal crystals

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Far-infrared and raman studies of the incommensurate structure Rb2ZnBr4. (A superspace approach)

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Evidence of superspace selection-rules in incommensurate structures by raman-spectroscopy on RB2ZNBR4

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Raman and infrared spectra of the incommensurate crystal Na2C03

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Temperature dependence of the far infrared transmission of the modulated structure Rb2ZnBr4

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Raman and far infrared-spectroscopy of the incommensurate structure NA2C03

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