000 | 00369nam a2200133Ia 4500 | ||
---|---|---|---|
008 | 161001s1971 xx 000 0 und d | ||
082 | _a636.514 S45U | ||
100 | _aSimons,P.C.M | ||
245 | _aUltrastructure of the hen eggshell and its physiological interpretation | ||
260 |
_aWageningen _bICAR _c1971 |
||
300 | _a46p. | ||
650 | _aEggs - Production | ||
942 |
_2ddc _cC |
||
999 |
_c2319 _d2319 |