Media type: E-Article Title: Quantum Observables and Effect Algebras Contributor: Dvurečenskij, Anatolij imprint: Springer Science and Business Media LLC, 2018 Published in: International Journal of Theoretical Physics Language: English DOI: 10.1007/s10773-017-3594-1 ISSN: 0020-7748; 1572-9575 Keywords: Physics and Astronomy (miscellaneous) ; General Mathematics Origination: Footnote: