# Page history

## 27 October 2019

## 20 June 2017

## 26 October 2016

## 24 February 2016

## 31 January 2016

## 6 October 2015

## 31 August 2015

## 2 June 2015

## 1 January 2015

## 31 December 2014

→Notation: tweak the reference

→Notation: tweak the reference

+22

→Notation: typo

+1

→Notation: copyedit

+22

→Notation: tweak reference formatting

+4

Show the common double-bracket notation

+344

## 2 July 2013

## 24 March 2013

## 28 February 2013

## 8 May 2012

## 28 April 2012

## 13 February 2012

## 15 April 2011

clarification based on surce added

+398

→See also

+26

→References: seems more appropriate than linking the publisher's city

+60