account-reconcile/account_statement_no_invoice_import/statement_view.xml

<?xml version="1.0" encoding="utf-8"?>

<openerp>
    <data>

        <!-- INHERITED VIEW FOR THE OBJECT : account_bank_statement -->

        <record id="account_bank_statement_view_form" model="ir.ui.view">
            <field name="name">account_bank_statement_simple_view.account_bank_statement.view_form</field>
            <field name="model">account.bank.statement</field>
            <field name="inherit_id" ref="account_voucher.view_bank_statement_form_invoice" />
            <field eval="100" name="priority"/>
            <field name="arch" type="xml">
                <button string="Import Invoices" position="replace">
                </button>
            </field>
        </record>

    </data>
</openerp>