000 | 00406 a2200157 4500 | ||
---|---|---|---|
245 | 1 | _aArtificial incubation | |
260 |
_aLondon _c1954 |
||
650 | _aArtificial | ||
650 | _aIncubation | ||
700 | _aGreat Britain Ministry of Agriculture and Fisheries | ||
100 |
_a _d |
||
300 | _a4 p. | ||
440 |
_aNo. 341 _vGreat Britain Ministry of Agriculture and Fisheries |
||
942 |
_2udc _cB |
||
901 | _a49698 | ||
999 |
_c55256 _d55256 |