Transputer Based Distributed Cartographic Image Processing. - B. Chardonnes; Roger D. Hersch; O. Kölbl (CONPAR, 1990)

Multiprocessor performances for dynamic programming. - B. Chardonnens; Roger D. Hersch; O. Kölbl (Microprocessing and Microprogramming, 1990)

Quality assessment of digitised aerial photographs. - O. Kölbl (Electronic Imaging, 1998)