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American Science and Engineering, Inc. Reports Results for Fourth Quarter and Fiscal Year 2011 and Declares a Quarterly Dividendhttp://webcache.googleusercontent.com/search?hl=en&rlz=1R2SKPT_enIN416&q=cache:NCJhuJGlX7QJ:http://www.stocktradingtoday.info/privacy.php+www.stocktradingtoday.info&ct=clnk>