00730nam2 22002171i 450 990002257250403321000225725FED01000225725(Aleph)000225725FED0100022572520030801d--------km-y0itay50------baMechanisms involved in the regulation ofnitrogen assimilation in micro-organismsand plants. London, 1968, p. 91-114.001000220557Sims,A. P.93652ITUNINARICAUNIMARCBK990002257250403321FFABCMechanisms involved in the regulation ofnitrogen assimilation in micro-organismsand plants. London, 1968, p. 91-114399491UNINAING01