@article{026967672,
title = "Micro fossils from the silurian of estonia and the isle of osel",
author = "Eisenack, A.",
year = "1970",
journal = "Geologiska Foreningens i Stockholm Forhandlingar",
volume = "92",
number = "3",
pages = "302-322",
url = "https://eurekamag.com/research/026/967/026967672.php"
}