on 1988 International Zurich Seminar on Digital Communications

for tobacco, music, record, and books shops

Tickets, receipts

from SCG Minibar

inviting to the discussion of Andrei Tarkovsky's film "Sacrifice"

McDonald's

to the Zurich Fedearal Technical School

of Societe de Banque Suisse (Ershov wrote that he used this flyer as a napkin at "Kopernikus" restaurant

for Swissair passengers