1. Verfahren zur Herstellung zytostatisch wirksamer 2-Cyanaziridine;Bicker;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 2610 156,1976
5. Cancerostatic action of the immune-stimulating compound 4-Imino-l,3-diazabicyclo-(3,1, 0)hexan-2-one, BM 06.002, (Prop. INN Imexon) on various transplantation tumours;Bicker;IRCS Med. Sci.,1977