TY - BOOK ID - 131858960 TI - Internacia scienca simpozio, Esperanto 100jara, 28a - 30a de oktobro 1987, Universitato de Vieno PY - 1987 PB - Place of publication unknown publisher unknown DB - UniCat KW - Sociology of knowledge KW - Esperanto UR - https://www.unicat.be/uniCat?func=search&query=sysid:131858960 AB - ER -