main index
P00: frame around
P01: olicognography
P03: infrastructures
wayout:contact
learningpyramid
timedindividualpref.
opt.growthrate
commod.consump.
maintenancecosts
capitaltype
investmentdecision
transportinnov.cycles
kondratieffcycle
businesscycles
*text *
newproducttransit.adop.
