Избришана содржина Додадена содржина
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== Литература ==
* {{cite book|author=KleinКлеин, CornelisКорнелис andи CorneliusКорнелиус SС. HurlbutХарлбут, Jr.Јуниор |year=1985| title=Manual of Mineralogy: after Dana| edition=дваесетто| isbn=0-471-80580-7}}
* {{cite book| author=TaylorТејлор, HaroldХаролд AА.| title=Graphite|series= Financial Times Executive Commodity Reports | location= London| publisher= Mining Journal Books ltd.|year=2000| isbn=1-84083-332-7}}
* {{cite book|author=TaylorТејлор, HaroldХаролд AА.|title= Graphite| series=Industrial Minerals and Rocks|edition=7thседмо |location = Littleton, CO|publisher= AIME-Society of Mining Engineers| year=2005 |isbn=0-87335-233-5}}
== Поврзано ==
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