@article{Oinonen_1967,<br/><span class="tab"></span> title={The correlation between the size of Finnish bracken (Pteridium aquilinum (L.) Kuhn.) clones and certain periods of site history},<br/><span class="tab"></span> volume={83},<br/><span class="tab"></span> ISSN={0001-5636},<br/><span class="tab"></span> url={http://dx.doi.org/10.14214/aff.7180},<br/><span class="tab"></span> DOI={10.14214/aff.7180},<br/><span class="tab"></span> number={2},<br/><span class="tab"></span> journal={Acta Forestalia Fennica},<br/><span class="tab"></span> publisher={Finnish Society of Forest Science},<br/><span class="tab"></span> author={Oinonen,<br/><span class="tab"></span> Eino},<br/><span class="tab"></span> year={1967} }