: , (. 73, ). I II . . . (Wilsk, 1952, 1958) , II , I. (~ 4 ) . . (Gilman, 1955; Harsch, 1956; Wilks, 1958) , . 73, .

17. ( 1012 /2)

McScimin, Bond (1957)

Bhagavantam, Bhimasenachar (1946)

Prince, Wooster (1953)

McScimin, Bond (1957)

Bhagavantam, Bhimasenachar (1946)

Prince, Wooster (1953)

C11

C12

10,76

1,25

9,5

3,9

11,0

3,3

44

= 1/3 (C11+2C12)

5,76

4,42

4,3

5,8

4,4

5,9

18. ࠠ ( Ramaseshan 1916)

(111)

(3,56 Ǻ)2

h/√h2 + k2 + l2

, /2

111

332

221

331

110

322

321

211

320

210

311

100

0

100′

1548′

220′

3516′

1124′

2212′

1928′

3648′

3914′

2930′

5444′

4/√3

12/√22

8/√3

12/√19

4/√2

12/√17

12/√14

8/√6

12/√13

8/√5

12/√11

4

1/√3

3/√22

3/√19

1/√2

3/√17

3/√14

2/√6

3/√13

2/√5

3/√11

1

11 330

12 550

13 080

13 510

13 880

14 290

15 730

16 030

16 330

17 560

17 750

19 630

, . . . (1951, 1955) . (Ramaseshan, 1946) , , (332), (331), (221), (), (223), (112) (557)