Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) YAMAZAKI Masatoshi,BUILDING CASE OF REPLACE 50N RAILS WITH 60KG RAILS WITH A BLOCK EXCHANGE IN TIGHTLY CONNECTED PRECAST CONCRETE TRACK,Infrastructure Maintenance Practices,2436-777X,Japan Society of Civil Engineers,2022,1,1,202-206,https://cir.nii.ac.jp/crid/1390291767631730048,https://doi.org/10.11532/jsceim.1.1_202