Weingartner, B., Keller, W. (1981) Transcription and Processing of Adenoviral Rna by Extracts from Hela-Cells. Proceedings of the National Academy of Sciences of the United States of America-Biological Sciences, 78 (7). pp. 4092-4096.
Keller, W., Muller, U., Eicken, I., Wendel, I., Zentgraf, H. (1977) Biochemical and Ultrastructural Analysis of Sv40-Chromatin. Cold Spring Harbor Symposia on Quantitative Biology, 42. pp. 227-244.