000			00342nam a22001337a 4500
020			_a0716704439
082			_a516.5 _bSTE/P
100			_aStevenson,Frederick W
245			_aProjective planes/ _cFrederick W.Stevenson
260			_aSan Francisco, _bW.H. Freeman , _c1972.
300			_ax,416p.
650			_aProjective planes
942			_cBK
999			_c613734 _d613734