数量20 v. <1-17 > in <4> illus., plates, fold. maps. 28 cm.
一般注記French, German, or English.
Fasc. 1-10 issued by the Institute under its earliest name: Institut des parcs nationaux du Congo belge; fasc. 11-12 issued under the earlier name: Institut des parcs nationaux du Congo et du Ruanda-Urundi. <Fasc. 20 issued under the later name: Institut des parcs nationaux du Congo>.
Continued by: Institut national pour la conservation de la nature de la république du Zaire. Exploration du Parc national des Virunga, deuxiéme série.
書誌注記Includes bibliographies and indexes.