00447nam a22001577a 4500 20260722123305.0 260722b |||||||| |||| 00| 0 eng d 000 eng 155.4 INH/T Inhelder,Barbel The Early Growth of Logic in the Child : Classification and Seriation / by Barbel Inhelder london routledge and kegan paul 1964 xxv,302p. BK 49426 49426