The tiered wire floor system for laying hens : development and testing of an alternative aviary for laying hens (1980-1987) / [comp. by J.M. Rommers, C. ter Beek, H.J. Blokhuis ; transl. from the Dutch]

The tiered wire floor system for laying hens : development and testing of an alternative aviary for laying hens (1980-1987) / [comp. by J.M. Rommers, C. ter Beek, H.J. Blokhuis ; transl. from the Dutch]