Off-Line Input of Chemical Structures with a Low-Cost Microprocessor-Controlled Semigraphical CRT. - W. Kalbfleisch; G. Ohnacker (J. Chem. Inf. Comput. Sci., 1980)

CBF-computer handling of chemical and biological facts. 2. - J. Becker; D. Jung; W. Kalbfleisch; G. Ohnacker (J. Chem. Inf. Comput. Sci., 1981)