I Introduction.- Nuclear Structure in the Zr Region: Some Introductory Remarks.- II Shape Transitions and Shape Coexistence.- Some Results from Potential Energy Surface Calculations for Nuclei in the Mass 70-80 Region.- Collectivity of Neutron Deficient Odd Strontium and Yttrium Isotopes.- Microscopic Description of Even Ge and Se Nuclei.- Coexistence of Shapes and Structure of Nuclei in the A = 80 Region.- Competition of Oblate and Prolate Deformation in 3469,70,71,72Se.- Moments and Radii of 78-100Sr.- Experimental Evidence for Shape Coexistence in 97Sr59 and Implications for the Structure of the Odd-Odd Isotone 98Y.- Shape Coexistence and Mixing of Spherical and Deformed Shapes in the N = 60 Isotones.- Transition Probabilities and Static Moments in Transitional Nuclei.- Evidence for Shape Coexistence in Neutron-Rich Rh and Ag Nuclei.- Shape Coexistence and the Structure of Even-Even Se, Pd, and Ru Nuclei.- Monopole Degrees of Freedom in the Odd-Mass Neighbours of Even-Even Nuclei with Low-Lying 0+ Levels.- III High Spin Effects.- Techniques for the Study of the A?80 and A?100 Nuclei Far from Stability.- M1 and E2 Transition Probabilities in Kr Nuclei.- Lifetimes and Sidefeeding Times in A = 70-83 Nuclei.- The Moment of Inertia of 78Sr.- g-Factors Near the First Backbend in 82Sr and 84Sr.- Core-Related Effects on Electromagnetic Transition Strengths in Medium-Mass Nuclei.- Microscopic Description of the Ground-State and High-Spin Properties of the Light Strontiums.- IV Complete Spectroscopy.- Complete Spectroscopy.- 73Se Investigated by the (?,n?) Reaction.- Complete Spectroscopy of 87,88,89Sr with (n,?) and (d,p) Reactions?.- Quantum Chaos and the Boson-Fermion Approach to A?100 Region.- V Shell Effects.- The Approach to 2:1 Deformations Induced byParticle Numbers Around 40 and 60.- IBMF and IBFFM Approach to Nuclei in the A?100 Region.- Single-Particle Excitations and Collective Vibrational Modes in 96Zr.- Doppler-Shift Lifetime Measurements in 96Zr.- In-Beam Studies of 96Zr and 98Zr: Collective Excitations.- Band Structures in 96Zr and 98Zr Studied Through the High-Spin Beta Decays of the Y Parents.- Possible Evidence for Subshell Closures at N = 38, 40 and 56.- Subshell Closure at N = 56 in Very Neutron-Rich Bromine Isotopes.- Recent Results of Beta-Decay-Energies of Very Neutron-Rich Nuclei Around Mass Number A=100.- Level Structure of 3989Y, N = 50 Isotone.- Nuclear Structure Close to 100Sn:Excitations of the Shell Model Core.- VI Deformations.- A?80 and A?100 Nuclei Studied Within the Mean Field Approach.- On the Solution to the Large Amplitude Collective Motion of Finite Interacting Fermi Systems.- Nuclear Structure Effects along the N = Z Line.- Core Polarization Effects in Odd A?80 Nuclei.- Deformation of Light Br Isotopes: New Ground State Spin and Moment Measurements.- Anomalous Behaviour of Transition Probabilities in 75Kr.- Backbending Behaviour in the Odd Neutron Nuclei 75Kr and 79Sr.- Proton-Neutron Interaction and the 1 g Orbital in the 33?Z?50 Region.- Particle-Rotor Calculations in the A = 100 Region.- Large Inertial Moments, Pairing Reduction and the Effects of Coriolis Mixing on Rotational Bands in Odd-Z Deformed A?100 Nuclei.- The Nuclear Structure of 101,103Nb.- VII Proton-Neutron Interactions and Pairing Reductions.- Influence of the Proton-Neutron Interaction in the A?100 Region.- The Proton-Neutron Interaction in Neutron-Rich A?100 Nuclei.- The P-Factor and Atomic Mass Systematics: Application to Medium Mass Nuclei.- The Spin Dipole Interaction in Odd-Odd Nuclides.-VIII Beta Decay at A?.- Fast First-Forbidden Transitions and Subshell Closures in the Region of 96Zr.- Structure of 1+ States in Neutron Deficient Odd-Odd Indium Isotopes.- Gamow-Teller Beta Decay of Even Nuclides Near 100Sn.- Gamow-Teller Beta Decay of Neutron Rich Tc, Ru, Rh and Pd Isotopes.- Giant Gamow-Teller Excitations in 104Cd.- Index of Contributors.
