[1]   “Sedna Administration Guide”, http://modis.ispras.ru/sedna/adminguide/AdminGuide.html

[2]   “XQuery 1.0 and XPath 2.0 Data Model”, W3C Recommendation, http://www.w3.org/TR/xpath-datamodel/

[3]   “XQuery 1.0: An XML Query Language”, W3C Recommendation, http://www.w3.org/TR/xquery/

[4]   “XQuery 1.0 and XPath 2.0 Functions and Operators”, W3C Recommendation, http://www.w3.org/TR/xpath-functions/

[5]   “XSLT 2.0 and XQuery 1.0 Serialization”, W3C Recommendation, http://www.w3.org/TR/xslt-xquery-serialization/

[6]   Patrick Lehti. “Design and Implementation of a Data Manipulation Processor for a XML Query Language”, http://www.lehti.de/beruf/diplomarbeit.pdf

[7]   “PCRE - Perl Compatible Regular Expressions”, http://www.pcre.org/

[8]   Maxim Grinev, Andrey Fomichev, Sergey Kuznetsov, Kostantin Antipin, Alexander Boldakov, Dmitry Lizorkin, Leonid Novak, Maria Rekouts, Peter Pleshachkov. “Sedna: A Native XML DBMS”, http://www.modis.ispras.ru/publications.htm

[9]   Rekouts Maria. “Application Programming Interface for XML DBMS: design and implementation proposal”, http://www.modis.ispras.ru/publications.htm

[10]   Noel Welsh, Francisco Solsona, Ian Glover. “SchemeUnit and SchemeQL: Two little languages”, Scheme Workshop 2002, http://schematics.sourceforge.net/schemeunit-schemeql.ps

[11]   Oleg Kiselyov. “SXML Specification, Revision 3.0”, http://www.okmij.org/ftp/Scheme/SXML.html

[12]    William Clinger, R. Kent Dybvig, Matthew Flatt, and Marc Feeley. “SRFI-12: Exception Handling”, http://srfi.schemers.org/srfi-12/srfi-12.html

[13]   Felix L. Winkelmann. “Chicken – A practical and portable Scheme system”, http://www.call-with-current-continuation.org

[14]   Kirill Lisovsky, Dmitry Lizorkin. “XML Path Language (XPath) and its functional implementation SXPath”, Russian Digital Libraries Journal , 2003, Volume 6, Issue 4, http://www.elbib.ru/index.phtml?page=elbib/eng/journal/2003/part4/LL

[15]   dtSearch Engine home page, http://www.dtsearch.com/PLF\_engine\_2.html

[16]   dtSearch Web Help http://support.dtsearch.com/webhelp/dtsearch