<?xml version="1.0" encoding="UTF-8"?>
<xml>
<records>
<record>
  <contributors>
    <authors>
      <author>De Domenico, M.</author>
      <author>Solé-Ribalta, A.</author>
      <author>Cozzo, E.</author>
      <author>Kivelä, M.</author>
      <author>Moreno, Y.</author>
      <author>Porter, M.A.</author>
      <author>Gómez, S.</author>
      <author>Arenas, A.</author>
    </authors>
  </contributors>
  <titles>
    <title>Mathematical formulation of multilayer networks</title>
    <secondary-title>Physical review. X</secondary-title>
  </titles>
  <doi>10.1103/PhysRevX.3.041022</doi>
  <pages/>
  <volume/>
  <number/>
  <dates>
    <year>2014</year>
    <pub-dates>
      <date>2014</date>
    </pub-dates>
  </dates>
  <abstract/>
</record>

</records>
</xml>