Kollmar, Herbert Max Planck Institute for Medical Research, Max Planck Society;
Smith, O. Max Planck Institute for Medical Research, Max Planck Society;
http://www.sciencedirect.com/science/article/pii/S0040403901980955/pdf?md5=22017ea286f74de8b291e32a8d3d965f&pid=1-s2.0-S0040403901980955-main.pdf (Any fulltext)
https://doi.org/10.1016/S0040-4039(01)98095-5 (Any fulltext)
Kollmar, H., & Smith, O. (1970). CNDO calculations of rearrangements in the C3H7+ series. Tetrahedron Letters, 11(21), 1833-1836. doi:10.1016/S0040-4039(01)98095-5.