Wobus, Ulrich; Schubert, Ingo (2002). "Science and politics: Hans Stubbe and the Institute of Plant Genetics and Crop Plant Research at Gatersleben". Trends in Plant Science. 7 (9): 418–20. doi:10.1016/S1360-1385(02)02333-6. PMID12234735.
Wobus, Ulrich; Schubert, Ingo (2002). "Science and politics: Hans Stubbe and the Institute of Plant Genetics and Crop Plant Research at Gatersleben". Trends in Plant Science. 7 (9): 418–20. doi:10.1016/S1360-1385(02)02333-6. PMID12234735.