TY - GEN AU - Jennings,H.S. TI - Studies on reactions to stimuli in unicellular organisms: IX. On the behavior of fixed infusoria (Stentor and Vorticella), with special reference to the modification of protozoan reactions PY - 1902/// CY - [S.l. : PB - s.n.] N1 - Tav. di studio SZN ER -