How things work / [electronic resource] / illustrations researched by Roger Jean Ségalat.. — Geneva, Switzerland : : Edito-Service S.A.,, [1982?]. — 4 v. : : ill. (some col.) ; 26 cm.

Includes indexes. Originally published under title Wie funktionert das?



Subjects--Topical Terms:
Technology--Dictionaries and encyclopedias.

LC Class. No.: T47 / .H68x