Media type: E-Article Title: Measuring the orbital angular momentum of electron beams Contributor: Guzzinati, Giulio; Clark, Laura; Béché, Armand; Verbeeck, Jo Published: American Physical Society (APS), 2014 Published in: Physical Review A, 89 (2014) 2 Language: English DOI: 10.1103/physreva.89.025803 ISSN: 1050-2947; 1094-1622 Origination: Footnote: