Reference manual for machine-readable bibliographic descriptions
By:  compiled and edited by H. Dierickx and A. Hopkinson (for the) UnisistInternational Centre for Bibliographic descriptions (UNIBID).
Contributors: Dierickx, H.; Hopkinson, Alan.; Unesco.
Edition: 3rd ed.
Series: PGI/86/WS/6
Publisher: Unesco
Published: 1986
Place of publication: Paris
Language: eng