%0 Journal Article %T Determination of Calcium and Magnesium in Plant Material and Culture Solutions, Using Atomic-Absorption Spectroscopy %A Berry, Wade L. %A Johnson, C. M. %J Applied Spectroscopy %V 20 %N 4 %P 209-211 %@ 0003-7028 %D 1966-07-01 %I SAGE Publications %~ DeepDyve