1. Observations on chelates and root growth;Burström;Phys. Plant.,1957
2. Contributions to the genetics of Pisum;Haan;Genetics,1931
3. On the differences in longitudinal growth of some varieties of Pisum sativum;Haan;Rec. Trav. Bot. Neerl.,1936
4. The auxin balance during germination in untreated maize kernels and in maize kernels treated with indole acetic acid;Hemberg;Sv. Bot. Tidskr.,1954