URN:NBN:SI:doc-7Z9HPKF31989documents/doc/7/URN_NBN_SI_doc-7Z9HPKF3_001.pdfdocuments/doc/7/URN_NBN_SI_doc-7Z9HPKF3_001.txt(1989), str.161-168article18089728URN:NBN:SI:doc-7Z9HPKF3slvObzorjaOtrok in knjigaInCdokazovanjelogikapremisesklepanje