1. BICKER U., Verfahren zur Herstellung zytostatisch wirksamer 2-Cyanaziridine. DL-PS 110492(1974).
2. N-(2-cyanethylene)urea — an asparagine analogous cytostatic compound?;BICKER;Exp. Path.,1975
3. Carcinostatic action of 2-cyanaziridines against a sarcoma in rats;BICKER;Exp. Path.,1975
4. Stickstoffhaltige organische Verbindung;BICKER;DT-OS,1976
5. Cancerostatic action of the immune-stimulating compound 4-Imino-1,3-diazabicyclo-(3,1,0)-hexan-2-one, BM 06.002, (Prop. NN Imexon) onvarious transplantation tumours;BICKER;IRCS Med. Sci.,1977