000
00267nam a2200109Ia 4500
008
190719s9999 xx 000 0 und d
100
_a
R S Dahiya/ A D Gupta
245
0
_a
Book on higher trigonometry
260
_a
Delhi
_b
Laxmi Pub
_c
1983
650
_a
Math
942
_c
BK
999
_c
4428
_d
4428