000
00286nam a2200121Ia 4500
008
220201s1931 xx 000 0 eng d
041
_a
ENG
100
_a
SOMMERIS, M Y
245
0
_a
ANALYTICAL CONICS
260
_a
CAMBRIDGE
_b
UNIVERSITY PRESS
_c
1931
300
_a
XIV+169
942
_2
ddc
999
_c
38346
_d
38346