bibtype;author;title;journal;year;month;editor;publisher;booktitle;address;chapter;edition;note;pages;series;volume;institution;organization;school;type;doi; article;M. Krenn, M. Malik, M. Erhard, A. Zeilinger;Orbital angular momentum of photons and the entanglement of Laguerre-Gaussian modes;Phil. Trans. R. Soc. Lond. A;2017;0;;;;;;;;;;;;;;;