April 2013
-
10.5505/apjes.2013.83997
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10.5505/apjes.2013.54264
-
10.5505/apjes.2013.99609
-
10.5505/apjes.2013.55264
-
10.5505/apjes.2013.98608
-
10.5505/apjes.2013.32042
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