BibTex format
@article{Smith:1987:10.1017/s0031182000057838,
author = {Smith, G and Grenfell, BT and Anderson, RM and Beddington, J},
doi = {10.1017/s0031182000057838},
journal = {Parasitology},
pages = {407--420},
title = {Population biology of Ostertagia ostertagi and anthelmintic strategies against ostertagiasis in calves.},
url = {http://dx.doi.org/10.1017/s0031182000057838},
volume = {95 ( Pt 2)},
year = {1987}
}