*001414770 *00520250613105132.0 *007ta *008110607s1976 gw 000 u eng *00900762cam a2200217 c 4500 *019 $bl *035 $a(EXLNZ-47BIBSYS_NETWORK)999328855354702201 *035 $a(NO-LaBS)15013562(bibid) *035 $a(NO-TrBIB)932885535 *035 $a932885535-47bibsys_network *040 $aNO-OsNB$bnob$ekatreg *1102 $aUniversität Kiel$bInstitut für die Pädagogik der Naturwissenschaften$0(NO-TrBIB)90222063$_20533900 *24514$aThe IPN :$bits structure and functions$cInstitute for Science Education (West Germany) *260 $aKiel$bThe Institute$cc1976 *300 $a82 s. *4901 $aIPN report-in-brief ; 11 *650 0$aScience$xStudy and teaching (Elementary)$zGermany, West$_70150400 *830 0$aIPN report-in-brief ; 11$_70150500 *830 0$aIPN-Kurzberichte$v11$_70150600 *901 $a80 *999 $aoai:nb.bibsys.no:999328855354702202$b2021-11-14T20:19:03Z$z999328855354702202 ^