Matthias Mühlich Daniel Truhn Kerstin Nagel Achim Walter Hanno Scharr Til Aach Measuring Plant Root Growth. 497-506 2008 DAGM-Symposium http://dx.doi.org/10.1007/978-3-540-69321-5_50 conf/dagm/2008 db/conf/dagm/dagm2008.html#MuhlichTNWSA08