33 



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CHAMBERS, R. and SANDS, H.C., 1923, A dissection of the chromosomes in the pollen 

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COHEN, B., CHAMBERS, R. and REZNIKOFF, P., 1928, Intracellular oxidation-reduction 



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DUBOIS, DELAFIELD, 1931, A machine for pulling glass micropipettes and needles for 

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ETTISCH, G. and PETERFI, T., 1925, a, Zur Methodik der Elektrometrie der Zelle. Arch, 

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1925, b, Elektrometrische Untersuchungen an Amoeba terricola. Zugleich ein Beitrag 

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1924, Experiments on the contractile vacuole of Amoeba verrucosa and Paramecium 

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