000			00412nam a22001697a 4500
999			_c12242 _d12242
003			OSt
005			20191122145520.0
008			191122b ||||| |||| 00| 0 eng d
020			_a9993603201
082			_aET
110			_aREC.
245			_aUnderstanding Mathematics : _btextbook for V /
260			_aParo : _bREC, _c2019.
300			_axvi, 282 p. : _c24 cm.
650			_aTextbook for V
942			_2ddc _cET