2. Problematika a zkušenosti se soupisem časopiseckých jednotek / Creator: Malec, Karel, Type: text and studie Language: Czech Description: The Bibliography on newspaper articles. Rights: unknown
3. Současná problematika a stav zpracování retrospektivní bibliografie novin a časopisů / Creator: Malec, Karel, Type: text and studie Language: Czech Description: Contemporary problems and state of the compiling of retrospective bibliography of newspapers and periodicals. Rights: unknown