656 
for the region 90° KZ T>>15° A. This is evident from Table VI. 
The diminution of the resistance at low temperatures without a 
magnetic field is practically the same for both 47,7 and Bigr. 
| | 
A500 5000 7500 10009 12500 Gass. 
Jt 
Fig. 4 
A BE VE 
a for Bi. 
Bij I Bu, 1 
dq Lobs “calc T | obs.) “calc. 
90 1:69.) 1.44 If SO" 128-3931 
14:5 | 2.7" | 2.55 || 13°. | 35:8 | 344 
20:51 92 | Sl 20°.3| 47.3 | 41.3 
14.6 48.3 49 
