Leberman, R. Max Planck Institute for Medical Research, Max Planck Society;
http://www.sciencedirect.com/science/article/pii/0022283671902774/pdf?md5=291b6aecbdf2c30aec365383318aa6e1&pid=1-s2.0-0022283671902774-main.pdf (Any fulltext)
https://doi.org/10.1016/0022-2836(71)90277-4 (Any fulltext)
Leberman, R. (1971). Secondary structure of tobacco mosaic virus protein. Journal of Molecular Biology (London), 55(1), 23-30. doi:10.1016/0022-2836(71)90277-4.