Hey, the dude published 1700 papers. Even if his repetition factor is 3 or 4, that's 400+ unique publications. Let's show some respect ;) Also, in some fields,

Hey, the dude published 1700 papers. Even if his repetition factor is 3 or 4, that's 400+ unique publications. Let's show some respect ;) Also, in some fields, it's acceptable to publish the same material thrice: i) conference; ii) journal; iii) book chapter, each slightly evolved or expanded or condensed or improved version of one another (ahem, I'm looking at telecommunications and signal processing).