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040 _aCentral Library-NITS
041 _aEnglish
082 _a512.924
_bBES
100 _aBeskin, N. M.
245 _aDividing a degment in a given ratio
_cby N. M. Beskin;translated by V.Zhitomirsky
260 _aMoscow
_bMir
_c1975
300 _a70. :ill.
650 _aCross Ratio
650 _aRadio
700 _aZhitomirsky, V.
942 _cBK
999 _c20253
_d20253