*0011675489
*008961024s1980    xx#           000 0 eng
*019  $bk
*08230$a370.15
*100  $aSvenson, Ola$_162383200
*245  $aCounting processes in simple addition$cOla Svenson & Maj-Lene Hedenborg
*300  $aS.93-104
*700  $aHedenborg, Maj-Lene$_169210300
*773  $tScandinavian journal of educational research$gVol.24, no. 2 (1980)$x0031-3831$w(NO-LaBS)298121(tnr)
*8564 $uhttps://doi.org/10.1080/0031383800240203
*999  $z9600029330$anorart:9600029330
^