BibTex format
@article{Williams:2000:10.1023/A:1004750715261,
author = {Williams, DP and Craster, RV},
doi = {10.1023/A:1004750715261},
journal = {JOURNAL OF ENGINEERING MATHEMATICS},
pages = {253--272},
title = {Cagniard-de Hoop path perturbations with applications to nongeometric wave arrivals},
url = {http://dx.doi.org/10.1023/A:1004750715261},
volume = {37},
year = {2000}
}