^Oelschläger H, Ellaithy MM, Volke J (February 1988). "[Mechanism of the polarographic reduction of the tranquilizer uldazepam]". Archiv der Pharmazie (in German). 321 (2): 69–72. doi:10.1002/ardp.19883210205. PMID3369929. S2CID96356746.
^Itil TM, Akpinar S, Ozkut H, Balki N, Herrmann WM (June 1974). "Clinical and computerized EEG effects of U-31,920, a new anxiolytic". Current Therapeutic Research, Clinical and Experimental. 16 (6): 642–54. PMID4211146.