2 literature references for Vigna andongensis Baker:

Author: Marechal,R. et al.
Year: 1978
Title:
Source: Boissiera 28:1-273 ...Phaseolus et Vigna...
Author: Verdcourt,B.
Year: 1970
Title:
Source: Kew Bull.24:507-569. Studies in FTEA Legum.-Papil. IV.