@article{Sh:806,
author = {Shelah, Saharon},
trueauthor = {Shelah, Saharon},
fromwhere = {IL},
journal = {Real Analysis Exchange},
note = { arxiv:math/0211438 },
pages = {477--480},
title = {{Martin's Axiom and Maximal Orthogonal Families}},
volume = {28},
year = {2002/03, no.2},
}