00853nam a2200229Ia 4500001000700000003000500007005001700012008004100029035002000070040001300090049000900103100003400112245007300146260003500219300001700254504005000271650003100321650004000352700004800392999001700440952016600457114667BIBL20160527183839.0890817s1968    ag     j      000 1 spa d  a(OCoLC)20195458  aCNEcCNE  aPUXA1 aFricke, Arnold92256402Local10aCálculo operativo con reglitas de colorescA. Fricke y H. Besuden.  aBuenos AiresbKapeluszcc1968.  a47 p. illus.  aTranslation of Mathematik in der Grundschule. 0aMathematics91327582Local 7aMatemáticas2bidex92511712Local10aBesuden, HeinricheJt. Auth.92017962Local  c95922d95922  0010406510_700000000000000_F897M_E708evl938508a10b10c1d2016-05-27i174836l0o510.7 F897m Ep80000001259681r2016-05-27 00:00:00xr:114667 x z:NCC:Dy6