Achim Helm
发表
Oliver Montenbruck,
Georg Beyerle,
Achim Helm,
2009
.
Oliver Montenbruck,
André Hauschild,
Achim Helm,
2013
.
Oliver Montenbruck,
Markus Rothacher,
Ralf Stosius,
2007,
2007 IEEE International Geoscience and Remote Sensing Symposium.
Jens Wickert,
Maximilian Semmling,
Ralf Stosius,
2010,
2010 IEEE International Geoscience and Remote Sensing Symposium.
Markus Rothacher,
Achim Helm,
Hans-Ulrich Wetzel,
2007
.
Eberhard Gill,
Achim Helm,
Roland Stalford,
2012
.
Alexander Braun,
Christoph Reigber,
Tilo Schöne,
2002
.
Shuo Liu,
Ulrich Schreiber,
Didier Massonnet,
2020,
The European Physical Journal D.
Oliver Montenbruck,
Manuel Martin-Neira,
Bertrand Chapron,
2013
.
Ralf Stosius,
Achim Helm,
J. Wickert,
2010
.
Achim Helm,
Wilfried Hagg,
Astrid Lambrecht,
2008
.
Oliver Montenbruck,
Javad Ashjaee,
Markus Rothacher,
2007
.
Achim Helm,
Georg Beyerle,
Markus Nitschke,
2004
.
Jamila Beckheinrich,
Oliver Montenbruck,
Antonio Rius,
2016
.
Achim Helm,
Wilfried Hagg,
Astrid Lambrecht,
2008
.
Oliver Montenbruck,
Markus Markgraf,
Achim Helm,
2008
.
Oliver Montenbruck,
Markus Rothacher,
Ralf Stosius,
2007
.