000
00271nam a2200085Ia 4500
001
MPKV108935
008
120911s9999 xx 000 0 und d
245
_a
Livestock Production Science. Vol. 16 -17 No. 14
_c
;
260
_a
Netherlande.
_b
Elsevier Sci. PubllisherAmsterdam.
_c
1987
999
_c
72283
_d
72283