TY - JOUR A1 - Chakraborty, S A1 - Chakraborty, S A1 - Chakraborty, S A1 - Johnston, J C A1 - Thiemens, M H T1 - Construction of a portable collection system for the isotopic analysis of tropospheric ozone. N1 - R823117 JF - ANALYTICAL CHEMISTRY J1 - ANAL CHEM J2 - Analytical Chemistry PB - American Chemical Society ER - TY - JOUR A1 - Johnston, J C A1 - Thiemens, M H T1 - The isotopic composition of tropospheric ozone in three environments. Y1 - 1997// N1 - R823117 JF - JOURNAL OF GEOPHYSICAL RESEARCH J1 - J GEOPHYS RES VL - 102 IS - D21 SP - 25395 EP - 25404 PB - American Geophysical Union ER -