000
00294nam a2200121Ia 4500
008
151213s9999 xx 000 0 und d
245
_a
A Step-by-Step Approach
260
_a
Gray .NC. USA
_b
SAS Institution
_c
1996
300
_a
3003 p.
650
_a
Computer
650
_a
Computer
999
_c
2090
_d
2090