Merrett, C. (Ed.) and Vanda Broughton (Ed.). Classes U-V Technology. Berlin, Boston: De Gruyter Saur, 2014. Web. Retrieved 23 May. 2013, from http://www.degruyter.com/view/product/28352

Merrett, C. (Ed.) & Broughton, V. (Ed.) (2014). Classes U-V Technology. Berlin, Boston: De Gruyter Saur. Retrieved 23 May. 2013, from http://www.degruyter.com/view/product/28352

Merrett, C. (Ed.) and Vanda Broughton (Ed.). 2014. Classes U-V Technology. Berlin, Boston: De Gruyter Saur. Retrieved 23 May. 2013, from http://www.degruyter.com/view/product/28352