Bibliography:
see also:
J.C. Sikorav, Construction de sous-variétés symplectiques,
Séminaire Bourbaki 844 (1998), Astérisque 252,
(1998), 231-253.
see also:
S.K. Donaldson, Lefschetz pencils on symplectic manifolds, preprint
(1999).
see also:
D. Auroux, Symplectic 4-manifolds as branched coverings of CP^{2},
Inventiones Math. 139 (2000), 551-602.
D. Auroux and L. Katzarkov, Branched coverings of
CP^{2}
and invariants of symplectic 4-manifolds, Inventiones Math. 142
(2000), 631-673.