"R. Nomura,H. Matsuda,R. Masumoto,K. Ueno,Y. Okuda","Macroscopic Quantum Tunneling and Avalanche Size Distribution of 4He Crystallization in Aerogel",,"J. Phys. Soc. Jpn.",,"  80",,,2011,Dec.
"R. Masumoto,K. Ueno,H. Matsuda,R. Nomura,Y. Okuda","Dynamical Transition of 4He Crystallization in a Very High Porosity Aerogel",,"J. Low Temp. Phys.",,"Vol. 162",,"  399-406",2011,Mar.