000
00221nam a2200097Ia 4500
008
170619s9999 xx 000 0 und d
100
_a
Sastry S S
245
0
_a
Engg. Mathemathematics
260
_b
New Delhi: PHI
260
_c
2001
546
_a
ENGLISH
999
_c
16043
_d
16043