TY - JFULL ID - 81144251 TI - Bulletin of Natural Sciences Research PY - SN - 27381013 DB - UniCat KW - Physical sciences KW - Science KW - physics KW - mathematics KW - geography KW - biology KW - chemistry KW - information sciences KW - Physical sciences. KW - Serbia. KW - N.R. Serbii͡ KW - Narodna Republika Srbija KW - NR Serbii͡ KW - People's Republic of Serbia KW - Republic of Serbia KW - Republika Srbija KW - RS de Serbije KW - Serbia and Montenegro KW - Serbii͡ KW - Servia KW - Socialist Republic of Serbia KW - Socijalistička Republika Srbija KW - Sot͡sialisticheskai͡a Respublika Serbii͡ KW - SR Srbija KW - Srbija KW - SRS KW - Szerbia UR - https://www.unicat.be/uniCat?func=search&query=sysid:81144251 AB - ER -