Arthur W. Apter Some Remarks on Normal Measures and Measurable Cardinals. 35-44 2001 47 Math. Log. Q. 1 http://dx.doi.org/10.1002/1521-3870(200101)47:1<35::AID-MALQ35>3.0.CO;2-C db/journals/mlq/mlq47.html#Apter01