ADLOFF, C., ANDREEV, V., ANDRIEU, B., CVACH, J., FERRON, S., HERYNEK, I., HLADKÝ, J., REIMER, P., TAŠEVSKÝ, M., WERNER, M. Measurement of open beauty production at HERA. Physics Letters. B. 1999, 467(-), 156-164. ISSN 0370-2693. E-ISSN 1873-2445.