2009 91 p., 269 (num. col.) figs, CD with songs of Chortippus species at the back, paperbound. Zoologische Mededelingen. New copy.
2009 191 p., 269 (num. col.) figs, CD with songs of Chortippus species at the back, paperbound. Zoologische Mededelingen. Copy with faint waterstain in first 6 pages.