Becaccia, A.; Ferrer, P.; Ibañez, M. A.; Estellés, F.; Rodríguez, C.; Moset, V.; de Blas, C.; Calvet, S.; García-Rebollar, P. Relationships Among Slurry Characteristics and Gaseous Emissions at Different Types of Commercial Spanish Pig Farms. Span. j. agric. res. 2015, 13, e0602.