Le Guide des connaissances 50/50.
By: Préf. de Jean Fourastié.
Contributors: Grégoire, Herman, ed.
Series: Hachette-littérature
Publisher: Hachette
Published: 1972
Place of publication: [Paris
Language: fre
Number of pages: 479
Subjects: Children's encyclopedias and dictionaries, French.
Other titles: 50/50 [i.e. Cinquante/cinquante]
Notes: "Rédaction ... par Herman Grégoire avec la collaboration de Michel Aymé [et al.]"