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% references.bib -- Bibliography file for the paper punktgruppen
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% (c) 2020 Autor, Hochschule Rapperswil
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@book{punktgruppen:pinter-algebra,
	title = {A Book of Abstract Algebra},
	author = {Charles C. Pinter},
	publisher = {Dover Publications Inc.; 2. Edition},
	year = {2010},
	month = {1},
	day = {10},
	isbn = {978-0-486-47417-5},
	inseries = {Dover Books on Mathematics},
}

@book{punktgruppen:sands-crystal,
	title = {Introduction to Crystallography},
	author = {Donald E. Sands},
	publisher = {Dover Publications Inc.},
	year = {1993},
	isbn = {978-0-486-67839-9},
	inseries = {Dover Books on Science},
}

@book{punktgruppen:lang-elt2,
	title = {Elektrotechnik 2},
	author = {Hans-Dieter Lang Ph.D},
	publisher = {Fachhochschule Ostschweiz Rapperswil},
	year = {2020},
	month = {2},
	inseries = {Vorlesungsskript zum Modul ELT},
}

@online{punktgruppen:ouchem,
  title = {Symmetry in Crystallography},
  author = {Dept. of Chemistry \& Biochemistry{,} Chemical Crystallography Laboratory{,} University of Oklahoma},
  year = {2019},
  month = {11},
  day = {17},
  url = {http://archive.today/2021.07.22-083802/http://xrayweb.chem.ou.edu/notes/symmetry.html},
  urldate = {2021-07-22},
}

@online{punktgruppen:restriction,
  title = {Structure of Materials: Allowed Rotational Symmetry in Crystals},
  author = {Silvija Gradecak-Garaj{,} Massachusetts Institute of Technology (MIT)},
  year = {2020},
  month = {4},
  day = {9},
  url = {https://www.youtube.com/watch?v=Ia2eHF1ZKoI},
  urldate = {2021-07-30},
}