The Scientific and technical information contained in patent specifications
Subtitle: the extent and time factors of its publication in other forms of literature : a report
By: by F. Liebesny ... [et al.].
Contributors: Liebesny, Felix.
Series: OSTI rep. ;; 5177
Publisher: Polytechnic of North London School of Librarianship
Published: 1974
Place of publication: [London]
Language: eng
Format: Microform
Notes: Microfiche. Boston Spa, Wetherby, West Yorkshire : British Library Lending Division, 1974. 2 microfiches : negative ; 11 x 15 cm.