Description
Published:Began with Oct. 1974.
Item Description:Title from cover.
Description based on: 1980.
Previously classed: L 2.3: and L 2.3/2:
Physical Description:volumes ; 21 x 28 cm.
Vols. for <Oct. 1983>-198 distributed to depository libraries in microfiche.
Publication Frequency:Annual
ISSN:0362-4242