Matsushima, U.; Graf, W.; Kardjilov, N.; Herppich, W.B.: Non-Destructive Measurement of Water Flow in Small Plants Using Cold Neutron Radiography - an Application to Investigate Bent-Neck Symptom of Cut Roses. In: W.B. Herppich [Ed.] : Proceedings of the IIIrd International Conference Postharvest Unlimited 2008 : Berlin, Germany, November 5 - 7, 2008 , 2010 (Acta Horticulturae ; 858). - ISBN 978-90-66052-06-2 , p. 387-392
http://www.actahort.org/books/858/858_59.htm