000 00303pam a2200109a 44500
082 _a620
_bIL6V NO.261-270
100 _aIllinois. University
245 1 _aENGINEERING EXPERIMENT STATION. BULLETIN SERIES.
260 _aUrbana
_bUniversity Of Illinois Press
_c1933
964 _gCIRC
997 _a69690 s C
999 _c416147
_d416147