by Jaszczak, J. A., Robinson, G. W., Dimovski, S. and Gogotsi, Y.
Reference:
J. A. Jaszczak, G. W. Robinson, S. Dimovski, and Y. Gogotsi, "Naturally occurring graphite cones", Carbon, vol. 41, no. 11, 2003, pp. 2085.
Bibtex Entry:
@article{75,
   author = {Jaszczak, J. A. and Robinson, G. W. and Dimovski, S. and Gogotsi, Y.},
   title = {Naturally occurring graphite cones},
   journal = {Carbon},
   volume = {41},
   number = {11},
   pages = {2085},
   ISSN = {0008-6223},
   DOI = {10.1016/s0008-6223(03)00214-8},
   year = {2003},
   date= {05/07}
   type = {Journal Article}
}

Naturally occurring graphite cones