Due to an unfortunate oversight during the conversion process, Reference [3] has been given erroneously in XML version. The original article corrected.

This is a preliminary version of these notes. Corrected versions are sure to follow.

Version 3: typos corrected and a section is added " Why does this matter? " (see p. 10)

This correction leaves unchanged the overall agreement with expectations and conclusions of manuscript. Fig. 4 has been corrected in both HTML PDF version

In the original version of book, author’s “Alessandro Patti” first name was inadvertently published with a typo. The has now been corrected from “Alessanndro to in chapter “Detection Volatile Organic Compounds Using Solution Processed Field-Effect Transistors” updated version. and book have changes.

The original version of the article, unfortunately had an error in reference list where order authors and journal title is mentioned incorrectly. corrected as follows:

In this paper we deal with the issue of performing accurate small-sample inference in the Birnbaum– Saunders regression model, which can be useful for modeling lifetime or reliability data. We derive a Bartlett-type correction for the score test and numerically compare the corrected test with the usual score test, the likelihood ratio test and its Bartlett-corrected version. Our simulation resu...

In the originally published version of chapter 17 last name one authors has been tagged incorrectly. The author corrected as “Salas Cordero”.

This Editorial describes the steps followed by a manuscript when it is submitted to Revista Médica de Chile: its reception, format checking as requested in Instructions to Authors, and the editors' decision whether it is considered suitable for the purposes of this journal or not; the selection of peer reviewers, a direct contact with them to ask for their willingness to review this particular ...

We discuss Shult’s Haircut Theorem, which unifies several recognition theorems for Lie geometries. point out why the conclusion of original version (published posthumously without his final scrutiny) cannot be drawn from hypotheses and state prove a corrected version, obtained by restricting one condition relaxing two other conditions.