Per Year

 @book{digitaldemocracy-book2019,
    dblp = {series/lncs/11300},
    doi = {10.1007/978-3-030-05333-8},
    editor = {Contucci, Pierluigi and Omicini, Andrea and Pianini, Danilo and Sîrbu, Alina},
    eisbn = {978-3-030-05333-8},
    eissn = {1611-3349},
    iris = {11585/653741},
    isbn = {978-3-030-05332-1},
    issn = {0302-9743},
    keywords = {authentication, authorization, cryptography, data security, delegation, Information and Communication Technologies (ICT), information technology, knowledge management, resource allocation, resource management, security systems, software engineering},
    month = jan,
    publisher = {Springer},
    scholar = {12990193718704924330},
    series = {Lecture Notes in Computer Science},
    subseries = {State-of-the-Art Survey},
    title = {The Future of Digital Democracy. An Interdisciplinary Approach},
    url = {http://link.springer.com/10.1007/978-3-030-05333-8},
    url-epub = {http://link.springer.com/download/epub/10.1007/978-3-030-05333-8.epub},
    urlpdf = {http://link.springer.com/content/pdf/10.1007/978-3-030-05333-8.pdf},
    volume = 11300,
    year = 2019
} 

 @incollection{digitalplatforms-digitaldemocracy2019,
    author = {Pianini, Danilo and Omicini, Andrea},
    booktitle = {The Future of Digital Democracy: An Interdisciplinary Approach},
    chapter = 6,
    dblp = {series/lncs/PianiniO19},
    doi = {10.1007/978-3-030-05333-8_6},
    editor = {Contucci, Pierluigi and Omicini, Andrea and Pianini, Danilo and Sîrbu, Alina},
    iris = {11585/653725},
    isbn = {978-3-030-05333-8},
    issn = {0302-9743},
    month = jan,
    numpages = 14,
    pages = {83--96},
    publisher = {Springer},
    scholar = {2467249375012552626},
    scopus = {2-s2.0-85059037849},
    series = {Lecture Notes in Computer Science},
    subseries = {State-of-the-Art Survey},
    title = {Democratic Process and Digital Platforms: An Engineering Perspective},
    url = {http://link.springer.com/10.1007/978-3-030-05333-8_6},
    urlpdf = {http://link.springer.com/content/pdf/10.1007/978-3-030-05333-8_6.pdf},
    volume = 11300,
    year = 2019
} 

 @incollection{preface-digitaldemocracy2019,
    author = {Contucci, Pierluigi and Omicini, Andrea and Pianini, Danilo and Sîrbu, Alina},
    booktitle = {The Future of Digital Democracy: An Interdisciplinary Approach},
    editor = {Contucci, Pierluigi and Omicini, Andrea and Pianini, Danilo and Sîrbu, Alina},
    eissn = {1611-3349},
    iris = {11585/653735},
    isbn = {978-3-030-05333-8},
    issn = {0302-9743},
    month = jan,
    numpages = 4,
    pages = {V--VIII},
    publisher = {Springer},
    scopus = {2-s2.0-85059028630},
    series = {Lecture Notes in Computer Science},
    subseries = {State-of-the-Art Survey},
    title = {Preface},
    urlpdf = {http://link.springer.com/content/pdf/bfm:978-3-030-05333-8/1.pdf},
    volume = 11300,
    year = 2019
}