@misc{Mettig_Constantin_(1851-1914)_Opisanie,
 author={Mettig, Constantin (1851-1914)},
 address={Riga},
 howpublished={online},
 publisher={V. F. Gekker},
 title={Opisanie doma obŝestva černogolovyh v Rige},
 type={książka},
}