SPECIAL Permanence/Durability of the book, 6. COLLEecTIONS
Barrow (W.J.) Research Laboratory, Richmond.
SCcQ Spot testing for unstable modern book and
259 record papers. Richmond, 1969.
366 28p. col.illus. 2hkem. (Permanence/Durability .6 of the book,6)
Bibliography: p.27.
1. Paper--Testing. I. Title. II. Series.
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i MB