APA

BAN. Central Lab. of Mineralogy and Crystallography, . (2001). Annual report № 7 2001 Bulgarian Academy of Sciences. Central laboratory of mineralogy and crystallography. : БАН.

Chicago

BAN. Central Lab. of Mineralogy and Crystallography, . 2001. Annual report № 7 2001 Bulgarian Academy of Sciences. Central laboratory of mineralogy and crystallography. : БАН.

Harvard

BAN. Central Lab. of Mineralogy and Crystallography, . (2001). Annual report № 7 2001 Bulgarian Academy of Sciences. Central laboratory of mineralogy and crystallography. : БАН.

MLA

BAN. Central Lab. of Mineralogy and Crystallography, . Annual report № 7 2001 Bulgarian Academy of Sciences. Central laboratory of mineralogy and crystallography. : БАН. 2001.