BibTex format
@inbook{Childs:2014:10.1016/B978-0-08-097759-1.00009-5,
author = {Childs, PRN},
booktitle = {MECHANICAL DESIGN ENGINEERING HANDBOOK},
doi = {10.1016/B978-0-08-097759-1.00009-5},
pages = {367--402},
publisher = {ELSEVIER SCIENCE BV},
title = {Spur and Helical Gear Stressing},
url = {http://dx.doi.org/10.1016/B978-0-08-097759-1.00009-5},
year = {2014}
}