BibTex format
@article{Tsangaris:2003:10.1016/S0030-4018(03)01681-X,
author = {Tsangaris, CL and New, GHC and Rogel-Salazar, J},
doi = {10.1016/S0030-4018(03)01681-X},
journal = {OPTICS COMMUNICATIONS},
pages = {233--238},
title = {Unstable Bessel beam resonator},
url = {http://dx.doi.org/10.1016/S0030-4018(03)01681-X},
volume = {223},
year = {2003}
}