(. . 14). , , A (Sutherland et al., 1954), 3065 Ǻ - (1282 = 23065, ).

I . . . . (1967, 1969) , , , , , . () 1358-1378 -1. . (200-300 Ǻ) 1371-1372 -1 (Evans, Phaal, 1962; Evans, 1965), 600-1000 Ǻ 1365 -1 ( ., 1968).