Design of simple punched card systems with reference to geochemical problems

• 1 May 1958
• journal article
• Published by Society of Economic Geologists, Inc. in Economic Geology
• Vol. 53  (3) , 325-338
• https://doi.org/10.2113/gsecongeo.53.3.325

Abstract

Keywords

• CARD SYSTEMS
• SIMPLE PUNCHED
• PUNCHED CARD
• GEOCHEMICAL PROBLEMS
• DESIGN OF SIMPLE