@misc{Wagner_C._A._Die_1908,
 author={Wagner, C. A.},
 year={1908},
 rights={Domena publiczna (Public domain)},
 publisher={Max Jänecke},
 description={83. Bd.},
 language={ger},
 title={Die Baustoffe},
 type={książka},
 keywords={materiały budowalane - poradnik},
}