TY  - BOOK
AU  - Piotrovskiĭ,B.B.
AU  - Asvarishch,Boris I
ED  - Gosudarstvennyĭ Ėrmitazh (Russia)
TI  - Musée de l Ermitage: Guide 
PY  - 1981///
CY  - Leningrad
PB  - Aurora
KW  - Gosudarstvennyĭ Ėrmitazh (Russia)
ER  -