TY - GEN AU - Johnstone,R M AU - Court,G S AU - Fesser,A C AU - Bradley,D M AU - Oliphant,L W AU - MacNeil,J D TI - Long-term trends and sources of organochlorine contamination in Canadian tundra Peregrine Falcons, Falco peregrinus tundrius SN - 0269-7491 PY - 2005///0124 N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/0269-7491(96)00037-1 ER -