God's Spatial Unlocatedness Prevents Him from Being the Creator of the Universe: A New Argument for the Nonexistence of God
by Jeffrey Grupp, 2006.
Sophia: International Journal for Philosophy of Religion, Metaphysical Theology and Ethics
Vol. 45, no. 1, pp. 5-23.
Curriculum Vitae: Jeffrey Grupp
I found Grupp's argument to be very strong. His paper is worth reading.