q=%2818.19.20%29.%2811.21%29.%2823.22.24%29&searchType=standard&isFacet=true&view=standard&searchWay=author&rows=10&sortWay=score&sortOrder=desc&curlibcode=GRT&searchWay0=marc&logical0=AND
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(18.19.20).(11.21).(23.22.24)