00656nam a2200277Ia 4500 Z_4580 CHAP 220113s1967 xx 000 0 und d 167655 CHAP 636.087 B7 Briggs, Michael H ed. 141928 Urea as a protein supplement / por Michael H. Briggs Oxford : Pergamon Press, 1967 466 p. Urea en alimentación animal I. Briggs, Michael H 141929 636.087 B7 A 1967 1 c1 167655 167655 0 0 ddc 0 0 GRAL Z Z 1 2005-11-09 1 z_0078 2023-02-23 00:00:00 2023-02-23 1 2022-01-18 LIBRO