Filtering by: Contributor Bowes, George Remove constraint Contributor: Bowes, George Contributor Duff, Donald Remove constraint Contributor: Duff, Donald Contributor Russell, Mike Remove constraint Contributor: Russell, Mike Type Thesis Remove constraint Type: Thesis Resource type http://purl.org/coar/resource_type/c_db06 Remove constraint Resource type: http://purl.org/coar/resource_type/c_db06