fix spell error
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@ -281,7 +281,7 @@ class Ris
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if(is_array($author) && count($author) > 0)
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{
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$str .= join(', ',$ref['author']).'. ';
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} else if if(is_string($author)) {
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} else if (is_string($author)) {
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$str .= $ref['author'].'. ';
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}
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$str .= $ref['title'].'. ';
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