000 00306nam a2200121Ia 4500
008 130225s9999 xx 000 0 und d
245 _aIncubation and brooding of chickens
260 _aWashington
_c1928
300 _a1-27 p.
440 _aUnited States Department of A
901 _a27322
942 _cB
_2udc
999 _c5200
_d5200