@book { ProblemSolvingModelsofScientificDiscoveryLearningProcesses,
    title = "Problem Solving Models of Scientific Discovery Learning Processes",
    author = "Peter {Reimann}",
    year = "1990",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1077862"
}