000			00410nam a2200193Ia 4500
001			1353
003			GE_BSU
008			181216s||||||||xx |||||||||||||| ||und||
020			_a1852337826
040			_cGE_BSU
080			_a515.1
100			_aCrossley D.martin
245			_aEssential Topology.
260			_aLondon.
300			_a224 c.
541			_h120 G.
653			_aEssential Topology
942			_cBK
999			_c35493 _d35493