bibtype;author;title;journal;year;month;editor;publisher;booktitle;address;chapter;edition;note;pages;series;volume;institution;organization;school;type;doi; article;D. M. Greenberger, M. A. Horne, A. Shimony, A. Zeilinger;Bell's Theorem Without Inequalities;American Journal of Physics;1990;0;;;;;;;;1131-43;;;;;;;