63a. [?]
Kania W. 1993. The primary moult of breeding Dunlin Calidris alpina in the central Taymyr in 1989. w: Stroud D. A. & N. C. Davidson (eds.). Catching and handling birds, and data: practical papers published in the Wader Study Group Bulletin. WSG Bulletin 69, Special Issue. International Wader Studies 6. 86-88.
Corrected version of the paper: Kania W. 1990. The primary moult of breeding Dunlin Calidris alpina in the central Taymyr in 1989. Wader Study Group Bull. 60: 17-19.