000
00248nam a2200109Ia 4500
008
190829s9999||||xx |||||||||||||| ||und||
100
_a
Johnson, W E
245
0
_a
Trigonometry
260
_b
Macmillan
_a
London
_c
1889
650
_a
Trigonometry
942
_c
BK
999
_c
60
_d
60