David Koes added figure figures/ip/ip.png to article  over 8 years ago

Commit id: e2cc5484ce51b46e0f6a81db88e1992ee0197156

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    Binary files a/figures/ip/ip.png and b/figures/ip/ip.png differ     Binary files a/figures/ip/ip_original.png and b/figures/ip/ip_original.png differ