Related papers: A classification of S^3-bundles over S^4
This paper has been withdrawn by the author.
This paper has been withdrawn because of serious errors.
This paper has been withdrawn by the author, due a critical mistake on page 3.
The paper has been withdrawn due to a crucial error in section 3.
This paper is withdrawn because of an error in Lemma 3.1
The paper has been withdrawn due to an error in the main theorem.
This paper is being withdrawn because an error was discovered in lemma 4.3. Although the rest of the paper appears to be correct, this error invalidates the proof of theorem 3.1 and theorem 3.3.
This paper was withdrawn (temporarily?) by the author since an error needs to be corrected.
This paper has been removed by the author due to a misstatement in Theorem 1 and a gap in its proof. A corrected and largely extended successor (a joint work with Thomas Bauer and Tomasz Szemberg) can be found under math.AG/0312211,
This paper has been withdrawn by the author, due to an error in the proof of Theorem 3.8.
The paper is withdrawn.
The paper was withdrawn because of its significant overlap with a paper appeared recently.
The paper is withdrawn.
This paper has been withdrawn by author due to an error in the proof.
This paper has been withdrawn by the author due to essential mistakes in some previous versions.
Due to a computational mistake this paper has been withdrawn.
This paper has been withdrawn by the author due to a misunderstanding about 3QBF.
This paper has been withdrawn by the author due to an error.
This paper has been withdrawn. Its new version has been published.
This paper is withdrawn because the results in the paper are included in a paper to be published in Mathematical and Computer Modelling.