URN:NBN:SI:doc-YX8BPET41987documents/doc/Y/URN_NBN_SI_doc-YX8BPET4_001.pdfdocuments/doc/Y/URN_NBN_SI_doc-YX8BPET4_001.txt(1987), 25 ; str. 36-40.article0351-51411971972URN:NBN:SI:doc-YX8BPET4slvObzorjaOtrok in knjigaInC