000 00272 a2200109 4500
082 _a389.6
_bUn3m
245 1 _aMEASURES FOR PROGRESS
260 _aU. S.
_bDepartment Of Commerce, National Bureau Of Standards
_c1966
300 _a703
964 _gCIRC
997 _a35476 C
999 _c454749
_d454749