The style files used are SCLetters.sty, SCL10.sty and SCL11.sty and should be in a path known by LATEX. The default font size is 11 points, and SCL11.sty will be used; the only other font size available is 10 points, which is defined by SCL10.sty. 12 point fonts are not available.
The main differences with the usual article.sty pertain to some definitions in the titlepage.
\abstract{...}
and not
\begin{abstract}...\end{abstract}
\keywords{...}
\maketitle
comes after title, abstract
and keywords.
The article is formatted for A4 mats provided by SCL publications.
The captions for figures and tables have been modified; the caption of the tables must come before the table.
The bibliography style file SCL.bst formats with BibTeX the references from the bibliography file according to the instructions of the publisher of the journal.