@article{ÇIRAK2005_45134,
author={CÜNEYT ÇIRAK and Ali Kemal AYAN},
title={Callus induction in some hypericum species growing in Turkey},
year={2005},
journal={Turkish Journal of Field Crops},
issn={1301-1111},
volume={10},
number={1},
url={http://search/yayin/detay/45134}
}