title: Dynamics and morphology of superfluid bubbles in 4He quantum crystals.
authors.affiliation: Department of Condensed Matter Physics, Tokyo Institute of Technology, 2-12-1, O-okayama, Meguro-ku, Tokyo 152-8551, Japan.
authors.forename: K
authors.initials: K
authors.lastname: Yoneyama
authors.forename: R
authors.initials: R
authors.lastname: Nomura
authors.forename: Y
authors.initials: Y
authors.lastname: Okuda