(美)Katharine Hansen著 Katharine Hansen著 (美)Katherine Murray著 (美)Eric Jensen著 (美)Katherine Follett主编 (美)凯瑟林·库伦(Katherine Cullen)著 Katharine Kenah (美)琳达·约翰森(Linda Johansen)著 (美) Mark Christiansen著 (美)Felix Janszen著