with bombardier within a major frame contract for a total of up to trains. alstom also achieved a strong order intake in asia pacific at € million with a combined € million contract for rolling stock and maintenance for perth's rail network in australia, as well as driverless trains and digital signalling...
(d) as a consequence of the dynamics of this grn, different levels of shh lead to the expression of different tfs; lower levels and durations of shh favour the expression of olig (blue), whereas high levels of shh signalling lead to expression of nkx . (green)....