TY - JOUR A1 - Feuerstein, T P A1 - Ostrom, P H A1 - Ostrom, N E T1 - Isotopic biogeochemistry of dissolved organic nitrogen: a new technique and application. Y1 - 1997/12/20 N1 - R825151 JF - ORGANIC GEOCHEMISTRY J1 - ORG GEOCHEM VL - 27 IS - 7-8 SP - 363 EP - 370 PB - Elsevier Science ER - TY - JOUR A1 - McCusker, E M A1 - Ostrom, P H A1 - Ostrom, N E A1 - Jeremaison, J D A1 - Baker, J E T1 - Seasonal variation in the biogeochemical cycling of seston in Grand Traverse Bay, Lake Michigan. Y1 - 1999/12/ N1 - R825151 JF - ORGANIC GEOCHEMISTRY J1 - ORG GEOCHEM VL - 30 IS - 12 SP - 1543 EP - 1557 PB - Elsevier Science ER - TY - JOUR A1 - Schneider, A R A1 - Stapleton, H M A1 - Cornwell, J A1 - Baker, J E T1 - Recent declines in PAH, PCB, and toxaphene levels in the northern Great Lakes as determined from high resolution sediment cores. Y1 - 2001/10/1 N1 - R825151 JF - ENVIRONMENTAL SCIENCE & TECHNOLOGY J1 - ENVIRON SCI TECHNOL J2 - ENVIRONMENTAL SCIENCE & TECHNOLOGY J3 - Enviornmenal Research VL - 35 IS - 19 SP - 3809 EP - 3815 PB - American Chemical Society ER - TY - JOUR A1 - Stapleton, H M A1 - Masterson, C A1 - Skubinna, J A1 - Ostrom, P A1 - Ostrom, N E A1 - Baker, J E T1 - Accumulation of atmospheric and sedimentary PCBs and toxaphene in a Lake Michigan food web. Y1 - 2001/08/15 N1 - U915564 N1 - R825151 JF - ENVIRONMENTAL SCIENCE & TECHNOLOGY J1 - ENVIRON SCI TECHNOL J2 - ENVIRONMENTAL SCIENCE & TECHNOLOGY J3 - Enviornmenal Research VL - 35 IS - 16 SP - 3287 EP - 3293 ER - TY - JOUR A1 - Stapleton, H M A1 - Skubinna, J A1 - Baker, J E T1 - Seasonal dynamics of PCB and toxaphene bioaccumulation within a Lake Michigan food web. Y1 - 2001// N1 - R825151 JF - JOURNAL OF GREAT LAKES RESEARCH J1 - J GREAT LAKES RES VL - 28 IS - 1 SP - 52 EP - 64 ER -