@article{weko_3699_1,
   author	 = "石橋,達弥 and 下田,茂 and 古川,徹 and 吉田,秀敏",
   title	 = "球圧子による反発硬さ理論(反発硬さ数に及ぼす圧子・試料条件の影響)",
   journal	 = "日本機械学会論文集. A編",
   year 	 = "1987",
   volume	 = "53",
   number	 = "487",
   pages	 = "637--645",
   month	 = "mar"
}