"Yasuaki Tokudome,Kazuki Nakanishi,Kazuyoshi  Kanamori,Koji Fujita,Hirofumi Akamatsu,Teiichi Hanada","Structural characterization of hierarchically porous alumina aerogel and xerogel monoliths",,"Journal of colloid and interface science","Elsevier","Vol. 338","No. 2","pp. 506--513",2009,June