This content has been downloaded from IOPscience. Please scroll down to see the full text. Download details: IP Address: 192.99.32.115 This content was downloaded on 07/07/2014 at 00:37 Please note that terms and conditions apply. Use of the BIPM calorimetric and ionometric standards in megavoltage photon beams to determine W air and I c View the table of contents for this issue, or go to the journal homepage for more 2014 Phys. Med. Biol. 59 1353 (http://iopscience.iop.org/0031-9155/59/6/1353) Home Search Collections Journals About Contact us My IOPscience