P. Penning

发表

S. M. Rutter, P. D. Penning, R. A. Champion, 1997 .

R. J. Orr, J. Newman, A. Parsons, 1994, Animal Behaviour.

R. J. Orr, D. R. Lockyer, A. Parsons, 1991, The Journal of Agricultural Science.

P. Penning, M. Gibb, 1977, Veterinary Record.

R. J. Orr, S. Rutter, P. Penning, 2001 .

R. J. Orr, R. A. Champion, S. Rutter, 1998, Proceedings of the British Society of Animal Science.

R. J. Orr, R. A. Champion, S. Rutter, 1998, Proceedings of the British Society of Animal Science.

P. Penning, T. Treacher, Ines M. Penning, 1977, The Journal of Agricultural Science.

J. Newman, J. Krebs, J. Thornley, 1995 .

R. Sibly, P. Penning, N. Baldock, 1988, Animal Behaviour.

R. J. Orr, J. Newman, A. Parsons, 1993 .

P. Penning, R. V. Large, 1967, The Journal of Agricultural Science.

P. Corcuera, P. Penning, T. Treacher, 1977, The Proceedings of the Nutrition Society.

R. J. Orr, J. Newman, A. Parsons, 1994, Animal Behaviour.