@manual{ titlea = "Prof.", vornamea = "Jochen", namea = "Schein", departmenta = "", institutea = "ITIS", titleb = "", vornameb = "", nameb = "", departmentb = "", instituteb = "", titlec = "", vornamec = "", namec = "", departmentc = "", institutec = "", external-funds = "European Space Agency", company = "", project-title = "RF thruster grid system Parts for mini ION Engine grid system", project-abstract = "Design und Herstellung von Extraktionsgittern für 3,5 cm -Radiofrequenzhohenthruster ", proj-beginn = "18.01.2017", proj-end = "30.04.2018", forschungszentrum = "" }