[Оne thousand nine hundred and ninety two] 1992 Science Year. Chicago: World Book, Inc., 1992 400 p., ill.
[Оne thousand nine hundred and ninety two] 1992 Science Year. Chicago: World Book, Inc., 1992 400 p., ill.
(1992) [Оne thousand nine hundred and ninety two] 1992 Science Year, Chicago: World Book, Inc. 400 p., ill.
(1992). [Оne thousand nine hundred and ninety two] 1992 Science Year. The World Book Annual Science Supplement. Chicago: World Book, Inc., 400 p., ill.
[Оne thousand nine hundred and ninety two] 1992 Science Year: The World Book Annual Science Supplement. Chicago: World Book, Inc.; 1992. p. 400 p., ill.
![[Оne thousand nine hundred and ninety two] 1992 Science Year](https://eclipse.uni-plovdiv.bg/img/no-cover.png)
