00639nam2 22002171i 450 990002302950403321000230295FED01000230295(Aleph)000230295FED0100023029520030801d--------km-y0itay50------baAgents for disturbances in equilibrium.Saint Louis, 1962, p. 291-302.001000220797Smith,Paul K.90661ITUNINARICAUNIMARCBK990002302950403321FFABCAgents for disturbances in equilibrium.Saint Louis, 1962, p. 291-302388196UNINAING01