To reference or cite the objects present in the Software Heritage archive, permalinks based on SoftWare Hash IDentifiers (SWHIDs) must be used. Select below a type of object currently browsed in order to display its associated SWHID and permalink.
swh:1:cnt:f6d9de8bc8d2e7630d07760df9496139648e5da3
swh:1:dir:b2839a234a8ac9dea63c6aa41be7e6a7207036a1
include ../paper-letter/Makefile PAPER=a4