Keiji Nagano
发表
Study of Coaxial Counter Rotating Rotary Tilling System at Front Rotary Type Compact Walking Tractor
Yoshitaka Ohta,
Susumu Ohkubo,
Keiji Iino,
2004
.
Keiji Nagano,
1999
.
Keiji Nagano,
Kazuki Taguchi,
C. Sasakawa,
2003,
Infection and Immunity.