000 00307nam a2200133Ia 4500
008 130223s9999 xx 000 0 und d
245 _aHybrid chickens
260 _aLondon
260 _c1959
300 _a40 p.
440 _aGreat Britain Ministry of Agricultural
901 _pS979
942 _cB
_2udc
999 _c124899
_d124899