Fig. 5
From: Damage function for historic paper. Part II: Wear and tear
Boxplots comparing the fractions of the total number of elements of deterioration (small and large, tears and missing pieces) per document, caused by individual participants (P1–P9). Left bound (books); right unbound documents (archival folders). A boxplot shows the means (open square), the standard deviation (whiskers), whereas the boxes represent the first and the third quartile and the median. Left bound documents; right unbound documents