1. Merrillite and whitlockite, or what's in a name?;Mason;Mineral. Rec.,1971
2. Merrillite, meteoritic calcium phosphate;Wherry;Am. Mineral.,1917
3. Whitlockite, a new calcium phosphate;Frondel;Am. Mineral.,1941
4. Occurrence of whitlockite in chondritic meteorites;Fuchs;Science,1962
5. Zum Whitlockite-Problem;Keppler;Neues Jahrb. Mineral. Monatsh.,1965