Affiliation: | 1. Faculty of Engineering, Shinshu University 4‐17‐1 Wakasato, Nagano‐shi 380‐8553 (Japan);2. Nissin Kogyo Co. Ltd., 801 Kazawa Tomi‐shi, Nagano 386‐8505 (Japan);3. Schlumberger K. K. 2‐2‐1 Fuchinobe, Sagamihara‐shi Kanagawa 229‐0006 (Japan);4. Fukoko Co. Ltd. Showa, Chiyoda‐machi Oura‐gun, Gunma 370‐0723 (Japan);5. Kyoto Institute of Technology Matsugasaki, Sakyo, Kyoto 606‐8585 (Japan);6. IPICYT, Camino a la Presa San José 2055 Col. Lomas 4a Sección San Luis Potosi, 78216 (Mexico);7. Massachusetts Institute of Technology Cambridge, Massachusetts 02139‐4307 (USA) |