B. Spear
发表
B. Spear,
2014
.
B. Spear,
2006
.
Brian Spear,
B. Spear,
2013
.
B. Spear,
2014
.
B. J. Spear,
B. Spear,
2019,
World Patent Information.
Brian Spear,
B. Spear,
2008
.
Brian Spear,
B. Spear,
2006
.
Brian Spear,
B. Spear,
2001
.