From 4e0e1fa05289fe7e5b08f381a1dcf415031f9885 Mon Sep 17 00:00:00 2001
From: Mingkang Xiong <1546266764@qq.com>
Date: Sat, 24 Mar 2018 14:54:49 +0800
Subject: [PATCH] Update STATE ESTIMATION FOR ROBOTICS

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 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
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@@ -25,7 +25,7 @@ Simultaneous Localization and Mapping, also known as SLAM, is the computational
 
 
 ### Books
-- [State Estimation for Robotic -- A Matrix Lie Group Approach](http://asrl.utias.utoronto.ca/~tdb/bib/barfoot_ser15.pdf) by Timothy D. Barfoot, 2016
+- [State Estimation for Robotic -- A Matrix Lie Group Approach](http://asrl.utias.utoronto.ca/~tdb/bib/barfoot_ser17.pdf) by Timothy D. Barfoot, 2018
 - [Simultaneous Localization and Mapping for Mobile Robots: Introduction and Methods](http://www.igi-global.com/book/simultaneous-localization-mapping-mobile-robots/66380) by Juan-Antonio Fernández-Madrigal and José Luis Blanco Claraco, 2012
 - [Simultaneous Localization and Mapping: Exactly Sparse Information Filters ](http://www.worldscientific.com/worldscibooks/10.1142/8145/) by Zhan Wang, Shoudong Huang and Gamini Dissanayake, 2011
 - [Probabilistic Robotics](http://www.probabilistic-robotics.org/) by Dieter Fox, Sebastian Thrun, and Wolfram Burgard, 2005