Reference [**19**] has appeared:
[**19**] Nicola Rodinò, Cyclic modules over
End(*V*_{D})
whose endomorphism ring is an ultrapower of *D*,
pp.351-357 in *Abelian groups, module theory, and topology
*(*Padua,* 1997),
*Lecture Notes in Pure and Appl. Math.,* v.201,
*Dekker*, 1998.