If only we knew what the online customer knows - Schwartz, David (Internet Research, 2006)
https://katalog.adlr.link/Record/ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTEwOC9pbnRyLjIwMDYuMTcyMTZjYWEuMDAx