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:55aa06c5ac5be4e5dac72b84df975732c0de2e29
swh:1:dir:36d399164076007d6cc68d1882ac43b8827e86b3
sd <- function(...) UseMethod("sd")