000 00514nam a2200193Ia 4500
001 CATREF005108
008 110517s9999 xx 000 0 und d
041 _aeng
082 0 _a510 KEN
100 1 _aKenna, L A
245 _aUnderstanding mathematics
_c L A. Kenna
260 _aNew Jersey :
_bLittle field, adans,
_c1962.
300 _axi, 174 p. ;
_c20 cm.
650 4 _aCurve- Stitding
650 4 _aMathematical models
650 4 _aString models
650 4 _aWooden models
650 4 _aWooden models
999 _c121671
_d121671