00363nam a2200145Ia 4500008004100000082001400041100002200055245002400077260003200101300000800133650001800141650002400159653001300183700002100196170901s1973    xx            000 0 und d  a593bS50B  aBarrington, E.J.W 0aBiology of protozoa  aLondonbEdward Arnoldc1973  a315  aPure Sciences  aZoological sciences  aProtozoa  aWillis, Arthur J