000
00258nam a2200109Ia 4500
008
230512s9999 xx 000 0 und d
100
_a
t.c.dhingra
245
0
_a
elementary statistics
260
_c
1980
_a
delhi
_b
sultan chand
650
_a
textbook
942
_c
BK
999
_c
1129
_d
1129