000
00236nam a22001097a 4500
082
_a
519.5
_b
GIL.S
100
_a
Gilbert, Norma
245
_a
Statistics
250
_a
2
260
_a
NY
_b
Saunders college publication
_c
1981
942
_c
BK
999
_c
211463
_d
211463