Description
Published:1978-
Ceased publication.
Item Description:Volume for 1978 classed: E 1.26:0077 ; 19709-1980 classed in: E 1.27: ; 1981- classed in: E 1.89:.
Physical Description:volumes ; 28 cm.
Distributed to depository libraries in microfiche.
Publication Frequency:Annual
ISSN:0161-1674