@misc
{TN_libero_mab2,
author = {
Siivola, J.
},
title = {
Ilmenorutile and strüverite from Penikoja, Somero, SW Finland
},
publisher = {The Geological Society of Finland},
isbn = {1799-4632},
isbn = {0367-5211},
keywords = {
Geology
},
year = {1970},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}