ISSN: 0934-2591
ISSN-L: 0934-2591
Cumulative holding: 1924-1936.

ISSN: 0934-2575
ISSN-L: 0934-2575
Cumulative holding: 1962;

Alternative title: ZWA online
ISSN: 1613-0103
ISSN-L: 0044-2526
Cumulative holding: 1881-