van Aken, J. An Improvement in Grenz Radiography of Paper to Record Watermarks, Chain and Laid Lines.
Chicago Style (17th ed.) Citationvan Aken, J. An Improvement in Grenz Radiography of Paper to Record Watermarks, Chain and Laid Lines.
MLA (9th ed.) Citationvan Aken, J. An Improvement in Grenz Radiography of Paper to Record Watermarks, Chain and Laid Lines.
Warning: These citations may not always be 100% accurate.
