000
00308nam a2200133Ia 4500
008
240913s9999||||xx |||||||||||||| ||und||
082
_a
510 NAR/T
100
_a
S Narayanan
245
0
_a
Trigonometry
250
_a
NULL
260
_b
S Viswanathan Publishers
_a
Madras
_c
2007
300
_a
195
942
_c
BKS
999
_c
17448
_d
17448