000 00380nam a2200133Ia 4500
008 161001s1971 xx 000 0 und d
082 _a636.308.969.6 C73N
100 _aCrofton,H.D
245 _aNematode parasite population in sheep and on pasture
260 _aEngland
_bCommonwealth agricultural bureaux
_c1971
300 _a104P.
650 _aSheep -Diseases
942 _2ddc
_cC
999 _c2201
_d2201