MMA2005 P.Code=KangI ===============------------------------------ First Name =Ilmars Last Name =Kangro Title =MSc Institution =Rezekne Higher Educational Institution Street Address=Atbrivoshanas aleja 90 City =Rezekne State =Latvia Zip Code = Telephone =4625150, 4625145 Fax =4623709 E-mail =kangro@ru.lv URL = Title of talk =H.Kalis, I. Kangro. Simple Methods of Engineering Calculations for Modelling Multi-Substances Transfer Problems in Multi-Layer Media Information =