2 literature references for Astragalus koschukensis Boiss.:

Author: Podlech,D.
Year: 1976
Title:
Source: Mitt.Bot.Staatss.Munchen 12:153-166. ..Sektion Caraganella..
Author: Podlech,D.
Year: 1975
Title:
Source: Mitt.Bot.Munchen 12:153-166. Rev.Sekt.Caraganella Gen.Astrag