Roberts, J.J. (1998)
A review of recent masonry research and its relationship to the masonry 2007 innovation and research strategy.
Masonry International, 12(2), pp. 38-44. ISSN (print) 0950-2289
email is : xj.tan [at] yahoo.com (xj[dot]tan[at]yahoo[dot]com)
please send it to the email, thans for help