date incompletely specified (ICZN) (Q116604938)
if the day of publication is not specified in a work, the earliest day on which the work is demonstrated to be in existence as a published work is to be adopted as the date of publication (ICZN Article 21.3.)
Language:
other details
description if the day of publication is not specified in a work, the earliest day on which the work is demonstrated to be in existence as a published work is to be adopted as the date of publication (ICZN Article 21.3.)