Accounting Discrepancies in the Mari NÌ.GUB Texts - Sasson, Jack M. (Stol, M. (edt), Krispijn, Th. J. H. (edt), van Driel, G. (edt), Zikir šumim. Assyriological Studies Presented to F. R. Kraus on the Occasion of his Seventieth Birthday, 1982)