Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KAHO Toshikazu and SHIBUSAWA Sakae and MORIMOTO Eiji and HIRAKO Shin-ichi and OHTOMO Astushi,Stability and Availability of Real-time Soil Spectrophotometer,JOURNAL of the JAPANESE SOCIETY of AGRICULTURAL MACHINERY,02852543,The Japanese Society of Agricultural Machinery and Food Engineers,2004,66,6,113-121,https://cir.nii.ac.jp/crid/1390282679288908416,https://doi.org/10.11357/jsam1937.66.6_113