00282nam a2200097Ia 4500008004100000082002000041100003400061245004100095260004000136300000800176140113s9999    xx            000 0 und d  a577.4(252)   L9  a"Goodall, D.W. & Perry, R.A."  aAridland ecosystems : vol. 1 -IBP 16  a1979bCambridge Univ. PresscLondon  a881