TY  - BOOK
AU  - Lapenna,Ivo
TI  - Basic facts about the international language Esperanto: report published on the occasion of the International Co-operation Year 1965 
T2  - (RDC
PY  - 1967///
CY  - Rotterdam
PB  - Universal Esperanto Association, Reserch and Documentation Centre
KW  - Esperanto
KW  - Informiloj anglalingvaj
N1  - Originala titolo: Bazaj faktoj pri la internacia lingvo
ER  -