UNIDO's Industrial and Technological Information Bank (INTIB) and national industrial information and advisory services with a problem identification and information extension function as an interrelated system of services to industry in developing countries : presentations to seminars of the Committee of Engineering Information of the World Federation of Engineering Organizations / by Kjeld Klintoe and Roch T. de Mautort, Industrial and Technological Information Bank (INTIB), Industrial Information Section, UNIDO Technology Programme.