APA

Ihantola H., . (1969). Punch-through controlled surface to increase breakdown voltage of planar p-n junctions. Helsinki: Swedish Acad. of Engineering Sciences in Finland.

Chicago

Ihantola Heikki, . 1969. Punch-through controlled surface to increase breakdown voltage of planar p-n junctions. Helsinki: Swedish Acad. of Engineering Sciences in Finland.

Harvard

Ihantola H., . (1969). Punch-through controlled surface to increase breakdown voltage of planar p-n junctions. Helsinki: Swedish Acad. of Engineering Sciences in Finland.

MLA

Ihantola Heikki, . Punch-through controlled surface to increase breakdown voltage of planar p-n junctions. Helsinki: Swedish Acad. of Engineering Sciences in Finland. 1969.