BibTex format
@article{GRENFELL:1987:10.1017/S0031182000057826,
author = {GRENFELL, BT and SMITH, G and ANDERSON, RM},
doi = {10.1017/S0031182000057826},
journal = {PARASITOLOGY},
pages = {389--406},
title = {A MATHEMATICAL-MODEL OF THE POPULATION BIOLOGY OF OSTERTAGIA-OSTERTAGI IN CALVES AND YEARLINGS},
url = {http://dx.doi.org/10.1017/S0031182000057826},
volume = {95},
year = {1987}
}