000
00274nam a2200121Ia 4500
008
220201s9999 xx 000 0 eng d
082
_a
310
_b
DES
100
_a
DES Reference AJ
245
0
_a
Statistics
260
_b
Sultan Chand
_a
New Delhi
300
_a
224
942
_2
ddc
_0
2
999
_c
5936
_d
5936