<?xml version="1.0" encoding="utf-8"?>
<!--
Taxonomy Reference Links linkbase based on XBRL standard Version 2.1.
Created by UBmatrix Taxonomy Designer 3.0.3.2436 (2009-06-02 13:18).
Contact www.ubmatrix.com
Copyright (c) 2002-2017 UBmatrix inc., All Rights Reserved
Produced on 2017-04-27 08:52:46
-->
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      xlink:role="http://www.xbrl.org/2003/role/reference"
      xlink:label="xasb_AccruedExpenses_ref">
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      <ref:Number>95</ref:Number>
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      xlink:from="xasb_AccruedInterestPayable"
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      xlink:role="http://www.xbrl.org/2003/role/reference"
      xlink:label="xasb_AccruedInterestPayable_ref">
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      <ref:Section>C</ref:Section>
      <ref:Subsection>III</ref:Subsection>
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      xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-reference"
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      xlink:role="http://www.xbrl.org/2003/role/reference"
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      <ref:Section>C</ref:Section>
      <ref:Subsection>VI</ref:Subsection>
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