Toy designers may benefit from a universal classification system to communicate and brainstorm new toy concepts. Being able to classify types of play may also help a designer in determining whether a potential toy product has play value. We have defined four categories of play (Construction, Fantasy, Sensory, Challenge) loosely based on Piaget’s four stages of cognitive development. These four ...

in contemporary arabic literature recalling of quranic characters as the using of characters, events or historical periods in literary works are considered as the latest levels of connection between contemporary literature and his heritage. holy quran is one of the sources which its characters and stories have been used a lot in literature and this has resulted in the enrichment of literature. ...

Der vorliegende Band versammelt Ergebnisse eines vom SNF unterstützten, multidisziplinären Forschungsprojekts zu Korrosion im Innern von historischen Blechblasinstrumenten und ergänzt sie mit weiteren Beiträgen zum Thema der Konservierung insbesondere Museumsbetrieb. Musikwissenschaftliche organologische Fragestellungen treffen dabei auf chemische physikalische Analysen, die wiederum Hinblick i...