BibTex format
@techreport{Slade:2011,
author = {Slade, R and Saunders, R and Gross, R and Bauen, A},
publisher = {UK Energy Research Centre},
title = {Energy from biomass: the size of the global resource},
url = {http://www.ukerc.ac.uk/support/tiki-index.php?page_ref_id=3026},
year = {2011}
}