* Get [http://cogsys.imm.dtu.dk/toolbox/nmf/index.html nmf_toolbox] from DTU under free license. Contacted [[User:KaKiLa|KaKiLa]] 07:56, 9 March 2012 (PST)
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* Get [http://cogsys.imm.dtu.dk/toolbox/nmf/index.html nmf_toolbox] from DTU under free license. <span style="color: green;">✔</span>