José Pereira, David Fangueiro, Tom H. Misselbrook, David R. Chadwick, João Coutinho, Henrique Trindade,
Ammonia and greenhouse gas emissions from slatted and solid floors in dairy cattle houses: A scale model study Biosystems Engineering. ,vol. 109, pp. 148- 157 ,(2011) ,
10.1016/J.BIOSYSTEMSENG.2011.02.011