00534nam a2200157Ia 4500008004100000020001500041082001600056100002700072245013300099260002800232300000800260650004100268650003400309653002300343653001000366170901s1977    xx            000 0 und d  a0902206557  a631.4bS11D  aSadovski, Alexander N. 0aDevelopments in Soil Information SystemsbProceedings of the Second Meeting of the ISSS working group on soil information system  aWageningenbPUDOCc1977  a133  aAgriculture and related technologies  aTechnology (Applied sciences)  aInformation system  aSoils