The previous page is sending you to http://biology.krc.karelia.ru:8080/biology/%D0%91%D0%B8%D0%BE%D1%84%D0%B8%D0%B7%D0%B8%D0%BA%D0%B0/%D0%9F%D1%80%D0%BE%D0%B1%D0%BB%D0%B5%D0%BC%D1%8B%20%D0%B1%D0%B8%D0%BE%D0%BB%D0%BE%D0%B3%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%BE%D0%B9%20%D1%84%D0%B8%D0%B7%D0%B8%D0%BA%D0%B8%20(%D0%91%D0%BB%D1%8E%D0%BC%D0%B5%D0%BD%D1%84%D0%B5%D0%BB%D1%8C%D0%B4%20%D0%9B.%D0%90.,%201977).pdf.

 If you do not want to visit that page, you can return to the previous page.