000			00578nam a2200241Ia 4500
001			CATREF005108
008			110517s9999 xx 000 0 und d
041			_aeng
082			_a510
100			_aKenna, L A
245			_aUnderstanding mathematics
260			_aNew Jersey _bLittle field, adans _c1962
300			_axi, 174 p. _c20 cm.
546			_bRoman
650			_aCurve- Stitding
650			_aMathematical models
650			_aString models
650			_aWooden models
650			_aWooden models
906			_a004226
906			_atext
942			_cBook
999			_c256366 _d256302