id	domain	url
afs-59561	doi.org	https://doi.org/10.1016/s0016-2361(02)00317-4
afs-59561	doi.org	https://doi.org/10.1006/jema.2001.0484
afs-59561	doi.org	https://doi.org/10.3389/fnut.2016.00012
afs-59561	doi.org	https://doi.org/10.1016/j.chemosphere.2004.09.089
afs-59561	doi.org	https://doi.org/10.1016/j.biortech.2012.06.047
afs-59561	ec.europa.eu	http://ec.europa.eu/eurostat/statistics-explained/index.php/agricultural_production_-_animals
afs-59561	doi.org	https://doi.org/10.1016/j.proci.2006.07.151
afs-59561	doi.org	https://doi.org/10.1016/j.fuel.2006.01.020
afs-59561	doi.org	https://doi.org/10.1016/j.anifeedsci.2005.06.002
afs-59561	doi.org	https://doi.org/10.1016/j.fuel.2017.04.017
afs-59561	doi.org	https://doi.org/10.1016/j.renene.2017.03.099
afs-59561	doi.org	https://doi.org/10.1016/s0960-8524(01)00133-x
afs-59561	doi.org	https://doi.org/10.1016/s0032-9592(01)00206-0
afs-59561	doi.org	https://doi.org/10.1016/j.biortech.2009.09.053
afs-59561	doi.org	https://doi.org/10.1016/j.biombioe.2013.07.013
afs-59561	doi.org	https://doi.org/10.1016/j.compositesb.2006.06.013
afs-59561	doi.org	https://doi.org/10.1016/s0360-5442(00)00048-7
afs-59561	doi.org	https://doi.org/10.1016/j.aquaculture.2016.10.024
afs-59561	doi.org	https://doi.org/10.1021/ef0102768
afs-59561	doi.org	https://doi.org/10.1016/j.bcab.2012.10.001
afs-59561	doi.org	https://doi.org/10.1016/j.biortech.2004.05.015
afs-59561	doi.org	https://doi.org/10.1016/j.biortech.2005.12.007
afs-59561	www.statsoft.com	http://www.statsoft.com/textbook/
afs-59561	doi.org	https://doi.org/10.1016/s0960-8524(02)00177-3
afs-59561	doi.org	https://doi.org/10.1016/j.ibiod.2009.07.003
afs-59561	doi.org	https://doi.org/10.1016/j