0387949623 (alk. paper) : Cardiac reconstructions with allograft tissues [Electronic book] / Richard A. Hopkins, Karl E. Karlson, and Gloria A. Karlson ; illustrations by Thomas Xenakis.
0387950435 : Bergey's manual of systematic bacteriology. Vol. 5, the actinobacteria [Electronic book] / Michael Goodfellow, Peter K辰mpfer, Hans-J端rgen Busse ... editors ; William B. Whitman, editorial office.