METAMORPHIC-METASOMATIC FLUIDS AND AL,SI ORDER DISORDER OF K-RICH ALKALI FELDSPARS FROM SOUTHERN INDIAN HIGH-GRADE TERRAIN BY SWAMY,V., IYER,G.V.ANANTHA AND MENON,A.G., JOUR-GEOL-SOC-INDIA, VOL 50, PG 681-690 - DISCUSSION/