(platelets) (Evans, Phaal, 1962). (. 15). 50 1000 Ǻ; ; 3,4 × 1015 /3. , , , , . .

( 2000 ) . (Lonsdale, Milledge, 1965). , , . . . . . (Caveney, 1968), 1270 , 60 , ,