000
00276nam a2200121Ia 4500
008
220201s1954 xx 000 0 eng d
082
_a
516.24
_b
VIN
100
_a
Vingradov,IM
245
0
_a
Method of trigonomrtrical science
260
_c
1954
300
_a
180
942
_2
ddc
999
_c
71837
_d
71837