000
00297nam a2200133Ia 4500
100
_a
Gupta,C.B
365
_b
75
942
_c
BK
654
_a
245
_a
Introduction to statistical methods
260
_a
New Delhi
_b
Vikas Publishing House
_c
1973
082
_a
311
300
_b
Hb
_a
x,758,xxvi
999
_c
355939
_d
355939
041
_a
eng