1. RasbandW S ImageJ1997–2010Maryland, USAU. S. National Institutes of Health, BethesdaAvailable at http://imagej.nih.gov/ij/
2. To easily install Pendent_Drop we recommend installing enabling ImageJ from http://imagej.net/ and then enable the Pendent Drop update site http://sites.imagej.net/Daerr as described on http://fiji.sc/List_of_update_sites
3. Fiji: an open-source platform for biological-image analysis;Schindelin;Nature Methods,2012
4. Determination of surface tension and contact angle from the shapes of axisymmetric fluid interfaces;Rotenberg;J. Coll. Interf. Sc,1983
5. StalderA F MelchiorT MüllerM SageD BluT UnserM Low-Bond Axisymmetric Drop Shape Analysis for Surface Tension and Contact Angle Measurements of Sessile DropsColl. Surf. A: Physicochem. Eng. Aspects20103641–37281Software: http://bigwww.epfl.ch/demo/dropanalysis/