MULTIPHOTON EXCITATION OF ATOMS.

PERTURBATION THEORY OF MULTIPHOTON IONIZATION OF ATOMS.

MULTIPHOTON IONIZATION OF ATOMS. Preprint No. 11.

EXCITATION TRANSFER BETWEEN ATOMS

Pulsed multiphoton excitation of atoms

STRUCTURE OF A HOLE-EXCITATION SPECTRUM OF ATOMS

Multiphoton excitation and ionization of atoms and molecules