000 00315nam a2200109Ia 4500
999 _c5550
_d5550
100 _aLoysen P
245 _aInvestigation of Recirculation by Stratospheric Air Samplers
260 _c1968
_bHEALTH & SAFETY LABORATORY, U.S. ATOMIC ENERGY COMMISSION
_aNew York
300 _av+13
700 _aFranklin H
942 _cREF