MAP20080026004 Paulsen, Jostein Fitting mixed-effects models when data are left truncated / Jostein Paulsen, Astrid Lunde, Hans Julius Skaug En: Insurance : mathematics and economics. - Oxford : Elsevier, 1990- = ISSN 0167-6687. - 27/08/2008 Tomo 43 Número 1 - 2008 I. Lunde, Astrid . II. Skaug, Hans Julius .
