01662nas a2200337 i 450099100205103970753620231109125848.0130510c19209999be qr p 0 b0fre d0028-0801b14113119-39ule_instDi.S.Te.B.A.engLes Naturalistes belgesLes Naturalistes belges. - 1920- Bruxelles :Société de diffusion et de documentation scientifique,1920-v. :ill. ;24 cmFrequency variesAll the volumes have double numbering, the first one is the number of the volumes, the second one, in parentheses, is the subseries title "Orchidees" with numeration Until 1996 the subtitle is : "Etudes et protection de la nature de nos regions"From 1997- the subtitle is :"Numero special de la section Orchidees d'Europe"From 1950 to 1981 the volumes are issued by the Society Naturalistes BelgesFrom 1982- the volumes are issued by the Federation des societes belges des sciences de la natureLE003 1986;1988-1990;1992-2003;2005-2008; lac.: 1986;1988-1990;1992-2000;Natural historyPeriodicalsFederation des societes belges des sciences de la natureSociety Naturalistes Belges.b1411311902-04-1410-05-13991002051039707536LE003 (Fondo Ruggiero) CORR. GAZZ.1le003-E0.00-n- 180000.i1550838913-05-13Naturalistes belges. - 1920-3579747UNISALENTOle00310-05-13sa -frebe 40