ematweb.cmi.ua.ac.beematweb.cmi.ua.ac.be › emat › pdf › 0785.pdfP4/nmm space group (No. 129)...
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ematweb.cmi.ua.ac.beematweb.cmi.ua.ac.be › emat › pdf › 0785.pdfP4/nmm space group (No. 129) with its origin at the cen- ter (115 possible reflections in the range 8 2B s 1000)