000
00250nam a2200109Ia 4500
008
170821s2017 xx 000 0 und d
041
_a
English
100
_a
S.n.dass Gupta
245
0
_a
Elementary Trigonometery
650
_a
English
942
_2
ddc
_c
BK
999
_c
9577
_d
9577