000
00263nam a2200109Ia 4500
008
201201s9999 xx 000 0 und d
082
_a
516.24
100
_a
VARMA, R.S.
245
0
_a
TEXT BOOK ON TRIGNOMETRY
260
_b
ALLAHABAD, POTHISHALA
_c
1957
942
_c
OB
999
_c
16549
_d
16549