Helmut Seitz

An arrangement for loading of preferably single-spindle NC printed circuit board drilling machines with coordinates to be drilled printed circuit boards and for transporting printed circuit boards ready drilled

Helmut Seitz, Gerhard Petrick, 1989 .

Demographische Herausforderungen in den Haushalten der ostdeutschen Länder und Gemeinden

Helmut Seitz, Dirk Freigang, Gerhard Kempkes, 2005 .

Still more on the speed of adjustment in inventory models: A lesson in aggregation

Helmut Seitz, H. Seitz, 1993 .