Orn, LED Street lighting fixture with Maximum Energy - Economic Saving(06) Save Image Image gallery: 4 P Orn
![u = orn C [p] (v) is a proper ancestor of u = orn C [p ] (v](https://www.researchgate.net/profile/Joost-Engelfriet/publication/290531400/figure/fig2/AS:552589452627968@1508759000402/u-orn-C-p-v-is-a-proper-ancestor-of-u-orn-C-p-v_Q320.jpg "u = orn C [p] (v) is a proper ancestor of u = orn C [p ] (v")
![u = orn C [p] (v) is a proper ancestor of u = orn C [p ] (v](https://www.researchgate.net/profile/Joost-Engelfriet/publication/290531400/figure/fig1/AS:552589452378112@1508759000338/u-orn-C-p-v-is-not-a-proper-ancestor-of-u-orn-C-p-v_Q320.jpg "u = orn C [p] (v) is a proper ancestor of u = orn C [p ] (v")
