000			00513nam a22001457a 4500
008			110916t xxu||||| |||| 00| 0 eng d
080			_a514.12
100			_aEstrada, Maria Fernanda de O. G. _94470
245			_aA study of the discovery and early representations of the 27 lines of a cubic surface _cMaria Feernanda de O. G. Estrada
250			_aS ed.
260			_aSchool of mathematics and statistics _bUniversity of Birmingham _c1990
300			_a206p.
650			_amatematica linear _94471
942			_2ddc _cBK
999			_c8529 _d8529