RT Journal Article SR Electronic T1 Maximum Permissible Weight to be Carried by One Worker JF British Journal of Industrial Medicine JO Br J Ind Med FD BMJ Publishing Group Ltd SP 245 OP 246 DO 10.1136/oem.23.3.245-b VO 23 IS 3 A1 Scott, T. S. YR 1966 UL http://oem.bmj.com/content/23/3/245.3.abstract AB