000
00259nam a2200097Ia 4500
008
160930s9999 xx 000 0 und d
100
_a
Ullman, Jeffrey D.
245
_a
Principles of Data base Systems
260
_a
New Delhi
_b
Galgotia Pub. Pvt. Ltd.
942
_c
BK
999
_c
1723
_d
1723