@book{ Solr-111988, title = {New encyclopaedia Britannica. 4. Delusion - Frenssen}, series = {New encyclopaedia Britannica ;}, author = {Gwinn, Robert P.}, editor = {Gwinn, Robert P.}, address = {Chicago, Ill.}, publisher = {Encyclopaedia Britannica}, year = {1988}, edition = {15th ed.}, note = {englisch}, }