About CASCIOTTI K L
About Princeton Univ., New Jersey
About SIGMAN D M
About Princeton Univ., New Jersey
About HASTINGS M G
About Princeton Univ., New Jersey
About BOEHLKE J K
About U.S. Geological Survey, Virginia
About HILKERT A
About ThermoFinnigan MAT GmbH, Bremen, DEU
About Analytical Chemistry
About isotopic ratio
About Pseudomonas
About Miscellaneous analytical methods of inorganic compounds
About 脱窒素菌
About 海水
About 淡水
About 硝酸塩
About 酸素同位体組成