ADLOFF, C., ANDREEV, V., ANDRIEU, B., CVACH, Jaroslav, HERYNEK, Ivan, HLADKÝ, Jan, REIMER, Petr, SEDLÁK, Kamil, TAŠEVSKÝ, Marek, ZOMER, F. Measurement of electroproduction of .fi. mesons at HERA. Physics Letters. B. 2000, 483(-), 360-372. ISSN 0370-2693. E-ISSN 1873-2445.