@booklet {4766, title = {WATKINSON, D.H. 1973. Pseudoleucite from plutonic alkalic rock-carbonatite complexes. Canadian Mineralogist, 12: 129-34.}, year = {1973}, note = {WATKINSON, D.H. 1973. Pseudoleucite from plutonic alkalic rock-carbonatite complexes. Canadian Mineralogist, 12: 129-34.} }