The following published articles address the rationale and practice of the OHB (the highlighted titles are available as PDF files):

 

Ronald Hendel, "The Oxford Hebrew Bible: Prologue to a New Critical Edition," Vetus Testamentum 58 (2008) 324-51.

Sidnie White Crawford, Jan Joosten, and Eugene Ulrich, "Sample Editions of the Oxford Hebrew Bible: Deuteronomy 32:1-9, 1 Kings 11:1-8, and Jeremiah 27:1-10 (34 G)," Vetus Testamentum 58 (2008) 352-66.

Michael V. Fox, "Editing Proverbs: The Challenge of the Oxford Hebrew Bible," Journal of Northwest Semitic Languages 32 (2006) 1-22.

Sidnie White Crawford, "Textual Criticism of the Book of Deuteronomy and the Oxford Hebrew Bible Project," in Seeking out the Wisdom of the Ancients: Essays Offered to Michael V. Fox on the Occasion of His Sixty-Fifth Birthday, eds. R. Troxel, K. Friebel, and D. Magary. Winona Lake, Ind.: Eisenbrauns, 2005, 315-26.

Herrie F. Van Rooy, "A New Critical Edition of the Hebrew Bible, Journal of Northwest Semitic Languages 30 (2004) 139-50. [Re: Ezekiel]