Petra Spies
发表
Natalia Davydova,
Robert de Kruif,
Eelco van Setten,
2011,
European Mask and Lithography Conference.
Petra Spies,
Klaus Edinger,
Hans Becht,
2003,
SPIE Photomask Technology.
Natalia Davydova,
Robert de Kruif,
Eelco van Setten,
2010,
Photomask Technology.
Hans W. P. Koops,
Petra Spies,
Klaus Edinger,
2004
.