Use cleartool dump to determine the source container path for the element plasma.c
cleartool dump -long plasma.c
plasma.c(458c2cfd.42dd11d0.ad0a.00:01:80:71:66:11)
/usr2/jay/thevob/plasma.c@@/main/2
oid=458c2cfd.42dd11d0.ad0a.00:01:80:71:66:11 dbid=37 (0x25)
------- (snipped here) ------
source cont="/net/silver/usr2/jay/thevob.vbs/s/sdft/25/2a/0-c17c2d0d42dd11d0ad0a000180716611-j4"
clrtxt cont="/net/silver/usr2/jay/thevob.vbs/c/cdft/1b/3a/458c2cfd42dd11d0ad0a000180716611"