542,023 OCCUPATIONAL Occupational ophthalmolo : Proceedings of an Ergophthalmo-logy Symposium held at the gyMurikka Course Centre, Teisiko, Tampere, Finland on August 6—7, 1983 / ed. K. M. Saari. -Copenhagen : Scriptor ] Vammala : Vammalan Kirjapaino Oy, 1984. - 159, LX1 s. : tabl., il. ; 24 cw, Acta Ophthalmologica ; suppl. 161 ISBN 87-87473-71-2