by Sieber, R., Eberhard, P., Gallmann, P.U.
Published in International Dairy Journal (01.03.1996)

by Sieber, R, Eberhard, P, Fuchs, D, Gallmann, P U, Strahm, W
Published in Journal of dairy research (01.02.1996)

by BOSSET, J. O, GALLMANN, P. U, SIEBER, R
Published in Lait (1993)

by Gallmann P. U, Stettler P
Published in Landwirtschaft Schweiz (1991)