〔367〕運搬経費指数:荷役機械選定の新尺度J.A.Collier, Mod.Mater:Handling, 1959-7, p.84〜88, 図1

二俣 昌之
1960 Journal of the Society of Mechanical Engineers  
doi:10.1299/jsmemag.63.495_655_1 fatcat:vpoxkcoupbdgvbxevy3vvoxg2q