Monographic series:

Code a (008/12) indicates that the 1XX field contains an established heading for a collective title that applies to a group of separate publications and/or subseries, each of which also has its own title.

Example:

008/12 a

008/16 a [code indicating heading may be used as a series added entry]

130 #0$aBulletin (International Institute for Land Reclamation and Improvement)