The microcard
By: by L. J. van der Wolk and J. C. Tonnon. [Translated by the Technical Information and Documents Unit of the Board of Trade.
Contributors: Tonnon, J. C.
Publisher: Technical Information and Documents Unit, Board of Trade
Published: 1950
Place of publication: The Hague ?
Language: eng
Number of pages: 12
Subjects: Microcards.
Notes: Cover title.
"From the April 1950 issue of 'T. N. O. news'... (Journal of the Netherlands Central Organisation for Applied Scientific Research)"