sources:
   ftp://vip.stanford.edu/pub/qcam/README.BW 275b125402ad0a2b33b8ddadb14aee1b
   ftp://vip.stanford.edu/pub/qcam/qcam-0.91j.tgz 0852f72beb2c0e7ab8ae56a6fbaf23a8
:sources