Ulrich's international periodicals directory : 1993-94 : including irregular serials & annuals : Vol. 2 : Subjects E-L.
- 32nd ed.
- Bowker, 1993.
- Ixii, pp. 1757-3389.
- A Bowker serials bibliography .
Ulrich's plus Ulrich's on disc Ulrichsweb.com <> Bowker serials bibliography / Supplement to Ulrich's international periodicals directory and Irregular serials and annuals Ulrich's quarterly <> Bowker international serials database update Ulrich's update
0835233685
0000-0175
პერიოდიკა ულრიჰის საერთაშორისო პრიოდილის საძიებელი
050(058)