000
00296nam a2200121Ia 4500
008
200906s9999 xx 000 0 und d
082
_a
514.56 K29
100
_a
KELLS,L.M
245
0
_a
PLANE AND SPHERICAL TRIGONOMETRY
260
_b
MC GRAW HILL, NEW YORK
_c
1951
300
_a
23X18
942
_c
BK
999
_c
61970
_d
61970