BibTex format
@inbook{Lowe:2002,
author = {Lowe, MJS},
booktitle = {Encyclopedia of vibration},
editor = {Braun and Ewins and Rao and Braun and Ewins and Rao},
pages = {1565--1570},
publisher = {Academic Press},
title = {Wave propagation. Waves in an unbounded medium},
year = {2002}
}