00450nam a2200157 a 450000100080000000500110000800800410001910000180006024501210007826000320019930000110023165000140024265000160025665300120027265300080028412207222014-03-28       1976    bl uuuu      00u1 u    #d1 aWEBBER, G. D.  aSystemes d'exploition agricole en Australie du Sudbexploition agricole sur terres seches dans un climat semi-aride.  aNetley: Griffin Pressc1976  a104 p.  aAustralia  aAgricultura  aSistema  aSul