Remarks
13 October 2015: The R-function G2, used in p. 22 of the book, was missing from the Web-appendix. It is now added in section A 3.2, p. 7.
13 October 2015: The R-function G2, used in p. 22 of the book, was missing from the Web-appendix. It is now added in section A 3.2, p. 7.