@book { RadicalinnovationandOpeninnovationCreatingnewgrowthopportunitiesforbusiness,
    title = "Radical innovation and Open innovation - Creating new growth opportunities for business",
    author = "Khanh {Pham-Gia}",
    year = "2010",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836649780",
    url = "https://m.diplom.de/document/227366"
}