ADLOFF, C., ANDREEV, V., ANDRIEU, B., CVACH, Jaroslav, GRAB, C., HERYNEK, Ivan, HLADKÝ, Jan, MEHTA, A., REIMER, Petr, TAŠEVSKÝ, Marek. Forward .pi. o -meson production at HERA. Physics Letters. B. 1999, 462(-), 440-452. ISSN 0370-2693. E-ISSN 1873-2445.