main index
P00: frame around
P01: olicognography
P03: infrastructures
wayout:contact
energeticsysteminputoutput
energyconsumptionworld
greenaccounting
earthlastmilleniumtemp.
exergyeconomics
electutilemissions
electricitypower
biomasspyrolysis
gasturbin
energydata
businessvalues
economicssystemphases