000			00396nam a2200157 4500
003			OSt
008			220602b |||||||| |||| 00| 0 eng d
082			_a516 _bECK
100			_aEckhart, Ludwig
245			_aFour dimensional space
260			_aLondon: _bIndian university press, _c1968.
300			_a90p. _c24cm
650		0	_aMathematics
700			_aBigelow, Arthur _eTra.
942			_2ddc _cLM
999			_c104795 _d104795