Helmut Schaefer

发表

Hidden energy and correlated environmental characteristics of P.V. power generation

Helmut Schaefer, Gerd Hagedorn, H. Schaefer, 1992 .

A process for preparing lederaehnlicher mikroporoeser Flaechengebilde

Helmut Schaefer, Erwin Sommer, Klaus Gerlach, 1966 .

A casting tool for the production of a cylinder crankcase

Klaus Land, Helmut Schaefer, Franz Rueckert, 2001 .

Inkjettable conductive adhesive for use in microelectronics and microsystems technology

Helmut Schaefer, Jana Kolbe, Manuela Stuve, 2005, Polytronic 2005 - 5th International Conference on Polymers and Adhesives in Microelectronics and Photonics.