@book {Wyckoff1963,
	title = {Crystal Structures 1},
	series = {Crystal Structures},
	volume = {1},
	year = {1963},
	publisher = {Interscience Publishers},
	organization = {Interscience Publishers},
	edition = {2nd},
	address = { New York, New York},
	url = {http://rruff.geo.arizona.edu/AMS/AMC_text_files/13434_amc.txt}
}
