Source
Verheyen and Conn, Springback... (2003)
Peter D. Verheyen and Donia Conn (2003), “The Springback: Account Book Binding”, The New Bookbinder, 23, pp. 48–52.
Additional Reference
p. 48
Peter D. Verheyen and Donia Conn (2003), “The Springback: Account Book Binding”, The New Bookbinder, 23, pp. 48–52.
p. 48