No Edition Remarks. 177 pages. This is an ex-Library book. Blue paperback report. Full title:Bios Final Report No. 720 (Revised) Item No. 21- Metallurgical Research and Testing Laboratories in the Stuttgart Area. Text is typed not printed. Expected library inserts, stamps and inscriptions. Pages are mildly tanned throughout. Text is clear. Binding remains firm. Covers have mild edge-wear with curling to corners. Visible tanning to spine and edges with scuffing to spine ends.