000
00300nam a2200121Ia 4500
008
190711s9999 xx 000 0 und d
082
_a
513.1 P961
100
_a
PRITULENKO,P.O
245
0
_a
PLANE FIGURES AND SECTIONS
260
_a
MOSCOW
_b
MIR Publishers
_c
1980
300
_a
22X15
942
_c
BK
_2
DDC
999
_c
18393
_d
18393