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A. Kahl

Stand Alone

Kahl's keys to the ciliates: a translation by D.J. Patterson of the keys to the level of subgenus, originally published in Kahl, A., 'Wimpertierre oder Ciliata', in Dahl's 'Die Tierwelt Deutschlands', parts 18 (1930), 21 (1931), 25 (1932) and 30 (1935).
Environmental Chemistry: Undergraduate and Graduate Classroom, Laboratory, and Local Community Learning Experiences