00309nam a2200097Ia 4500008004100000082002700041100003900068245007000107260002600177300000800203140113s9999    xx            000 0 und d  a620.91:577.4(045)   L5  a"Lenihan, J. & Flecher, W.W., Ed."  aEnergy resources and the environment (Environment and man  vol.I)  a1975bBlackiecLondon  a194