000
00269nam a2200121 a 4500
003
EIA
001
5501
942
_0
2
_2
ddc
_c
BK
245
_a
Theory and problems of statistics
260
_c
c1961
008
141112s1961 ck r 000 u spa d
082
_a
519.5
_b
S755t
999
_c
13184
_d
13184