MAHLER HALFDAN /przedm./ ORAL 544,334 Oral health care systems:an international collaborative study:coordinated by the World Health Organization/ed.by a Coiamitte composed of Harald A.Arnljot/et al/:pref. by Edward N.Brandtsforew.by Halfdan Mahler .-./London/:Publ.by Quintessence Publ.Co. Ltd:/Geneva/:World Health Organization, /1985/.-XVIII ,218s.: vvykr.: 25 cm ISBN 1-85097-001-7