035 __ $a 50
035 __ $a C.II.26628
101 __ $arum
200 __ $aTineretului despre progresul ştiinţific şi tehnic contemporan
210 __ $aBucureşti $cPolitică $d1969
215 __ $a319p.:fig.,tab.
299 __ $aTineretului despre progresul ştiinţific şi tehnic contemporan
300 __ $aDicţionar
606 __ $aClaude, Georges $b34-39
606 __ $aBudeanu, Constantin I. (invenţii) $b39-42
606 __ $aRontgen, Wilhelm Conrad $b58-61
606 __ $aProcopiu, Ştefan $b61-65
606 __ $aLeonardo da Vinci $b88-93
606 __ $aLaplace, Pierre Simion $b93-98
606 __ $aPascal, Blaise (varia) $b123-127
606 __ $aGalois, Evariste $b127-131
606 __ $aLinne, Karl von $b151-153
606 __ $aLalescu, Traian $b153-157
606 __ $aElectrochimie $b158-170
606 __ $aDavy, Humphry $b174-177
606 __ $aFaraday, Michael (viaţa şi opera) $b177-182
606 __ $aMase plastice (istoric) $b182-188
606 __ $aBerthelot, Marcelin $b192-194
606 __ $aNobel, Alfred $b195-199
606 __ $aMagnetosferă $b213-216
606 __ $aAntarctica $b216-221
606 __ $aSemmelweis, Ignac Fulop $b221-225
606 __ $aVoinov, Dimitrie $b225-228
606 __ $aOtto, Nikolaus August $b245-247
606 __ $aDragu, Teodor (invenţii) $b247-249
606 __ $aTelecomunicaţii (în general) $b250-267
606 __ $aLiliac (zoologie) $b267-270
606 __ $aBranly, Edouard $b271-274
606 __ $aMarconi, Guglielmo $b274-278
606 __ $aPopov, Aleksandr Stepanovici $b278-281
606 __ $aTaylor, Frederick Winslow $b300-305
606 __ $aGaz (lichefiere) $b34-39
675 __ $a5(498+100)+62(498+100)
675 __ $a338.912(498+100)
686 __ $a50
702 __ $4redactor $aEne Marin
702 __ $4prefaţă $aAvramescu Aurel
702 __ $4colaborator $aNicoară Gheorghe
702 __ $4colaborator $aEne Marin
702 __ $4colaborator $aBuznea Dinu
702 __ $4colaborator $aBivolaru Liviu
702 __ $4colaborator $aCehan-Racoviţă M.
702 __ $4colaborator $aRusu C.
702 __ $4colaborator $aRadovici D.
702 __ $4colaborator $aPantelimon V.
702 __ $4colaborator $aHirsch A.
702 __ $4colaborator $aBantaş S.
702 __ $4colaborator $aTurcu Petre
702 __ $4colaborator $aŢoţia Alexandru
702 __ $4colaborator $aRădulescu M.
920 __ $a66842