01051nas 2200385 c 450 991016337110332120210104163911.0(CKB)3710000001040867(DE-101)1137586435(DE-599)ZDB2901576-5(OCoLC)973929725(EXLCZ)99371000000104086720170802b19691972 |y |rumur|||||||||||txtrdacontentcrdamediacrrdacarrierBuletin științificSeria BBiologie, fizică-chimie, matematicăInstitutul PedagogicBaia-Mare[Institutul Pedagogic][1969-1972]Online-Ressource0366-3086 Zeitschriftgnd-content510530540570Institutul Pedagogicisb0012DE-1019999JOURNAL9910163371103321Buletin ştiinţific1938851UNINA