What is the plural demonstrative pronoun in PIE?

From: C. Darwin Goranson
Message: 46847
Date: 2006-12-31

I've looked in both the Encyclopedia of Indo-European Culture and in
the Oxford Introduction to Proto-Indo-European and the Proto-Indo-
European World, but nowhere did I find words matching "these"
or "those".
Surely such things existed in PIE. How else could one say "I want
THESE" or "I give them praise"?
Does anyone know what these reconstructed words would be?