On the measurement of a physical quantity whose magnitude is influenced by primary causes beyond the control of the observer and on the method of determining the relation between two such quantities

Shewhart, W A2016-09-092016-09-091922-08Journal of National Academy of Sciences, vol.8, no.8, p.248-251http://hdl.handle.net/10263/6583enPhysicsOn the measurement of a physical quantity whose magnitude is influenced by primary causes beyond the control of the observer and on the method of determining the relation between two such quantitiesArticle