@Work{OL22638931W,
    title: {SAP HANA},
    author: {Berg Dr},
    first_publish_year: {2012}
}

@Work{OL18648629W,
    title: {SAP ABAP handbook},
    author: {Kogent Learning Solutions, Inc},
    first_publish_year: {2009}
}

@Work{OL19900621W,
    title: {SAP on the Cloud},
    author: {Michael Missbach},
    first_publish_year: {2013}
}

@Work{OL23305800W,
    title: {Implementing SAP HANA},
    author: {Jonathan Haun},
    first_publish_year: {2013}
}

@Author{OL8839696A,
    name: {Jonathan Haun},
}