@misc{_Photographic,
 howpublished={online},
 type={postcard},
 title={Photographic postcard, Zoppot. Seesteg. Kasinohotel},
 title={Pocztówka fotograficzna, Zoppot. Seesteg. Kasinohotel},
 keywords={Postcard, Grafic desing, Museum collections, Sopot Museum},
}