Here is another article representing Rav Zevin's view on the topic: http://www.traditiononline.org/news/originals/Volume%2021/No.%204/R.%20Shelomo%20Yosef.pdf and for Hebrew readers, see R. Waldenburg's view in http://www.hebrewbooks.org/pdfpager.aspx?req=20825&st=&pgnum=81