What is science ? /
Czechoslovak Science.
What´s science all about? /
Bulletin of Czechoslovak law.
This is what our country is like the Czechoslovak socialist republic /
Czechoslovak economic bulletin : weelky survey.
What´s what : a pictorial dictionary /
Institutes of the Czechoslovak Academy of Sciences.
Czechoslovak history of science : selected bibliography 1980-1988 /
Science Bulletin.
Czechoslovak Academy of Sciences. Slovak Academy of Sciences : 1952-1966 /
Czechoslovak Academy of Sciences 1987 : information handbook
Informační bulletin časopisu Czechoslovak sport.
Czechoslovak Agriculture on a New Path /
Institute of Microbiology - Czechoslovak Academy of Science.
What´s what in world politics : a reference book /
What is Language?. A New Approach to Linguistic Description.
Bulletin science and books.
Bulletin of mathematical sciences.
What shines? /