Plant hormones: Metabolism and interaction A report of the FEBS Summer School no. 12 held in Halle (Saale), German Democratic Republic, on 14-18 November, 1969. Sembdner G, Schreiber K. FEBS Lett. 1971 Jun 02;15(1):1-7. doi: 10.1016/0014-5793(71)80065-0. PMID: 11945800
"Tumor Immunology Meets Oncology (TIMO) XIV", May 24-26th 2018, Halle/Saale, Germany. Steven A, Seliger B. Cancer Immunol Immunother. 2019 Oct;68(10):1725-1732. doi: 10.1007/s00262-019-02329-5. Epub 2019 Apr 04. PMID: 30949754