000 00356nam a2200145Ia 4500
008 130223s9999 xx 000 0 und d
100 _aShannon, L.V.
245 _aAlpha-activity of marine Plankon
260 _aSouth Africa
260 _c1969
300 _a1-38 p.
440 _aSouth Africa Department of Ind
901 _pS15906
942 _cB
_2udc
999 _c115693
_d115693