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<XML><RECORDS>
<RECORD>
	<REFERENCE_TYPE>31</REFERENCE_TYPE>
	<AUTHORS>
		<AUTHOR>L. Aparicio, A. Font, L.E. Ibanez and F. Marchesano</AUTHOR>
	</AUTHORS>
	<YEAR>2011</YEAR>
	<TITLE>Flux and Instanton Effects in Local F-theory and Hierarchical Fermion Masses</TITLE>
</RECORD>
</RECORDS></XML>