Help from the East?Published in:Nature, 1990, v. 346, n. 6284, p. 498, doi. 10.1038/346498b0By:Dickman, S.Publication type:Article
Move raises problems.Published in:Nature, 1989, v. 342, n. 6245, p. 8, doi. 10.1038/342008a0By:Dickman, S.Publication type:Article