An Interpretation of the Robinson' Patman Act - Stevens, W. H. S. (Journal of Marketing, 1937)
https://katalog.adlr.link/Record/ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTE3Ny8wMDIyMjQyOTM3MDAyMDAxMDU