000 00331nam a2200133Ia 4500
008 161001s1979 xx 000 0 und d
082 _a636.408 E74S
100 _aEnglish,Peter R
245 _aSow improving her efficiency
260 _aSuffolk
_bFarming press limited
_c1979
300 _a311P.
650 _aSows
942 _2ddc
_cC
999 _c2219
_d2219