| Pictures of gravitational lensing (p. 3) |
| by Nityananda, R |
| Determination of cosmological parameters by the gravitational lens effect (p. 13) |
| by Refsdal, S |
| Cosmic gravitational diagnostics (p. 16) |
| by Kovner, I |
| Gravitational redshifts and lensing by large scale structures (p. 29) |
| by Nottale, L |
| What the present observed lens systems tells about the lensing agent (p. 39) |
| by Narasimha, D |
| Gravitational lens models with elliptical geometry (p. 46) |
| by Schramm, T |
| Amplification near a gravitational lens macro-caustic (p. 49) |
| by Kunze, W D |
| Statistics of lensing on extended sources (p. 51) |
| by Marchandon, S |
| Observational aspects of gravitational lensing (p. 57) |
| by Surdej, J |
| A search for gravitational lensing among highly luminous quasars: observationsl strategy and survey (p. 83) |
| by Swings, J P |
| A search for gravitational lensing among highly luminous quasars: new results (p. 88) |
| by Magain, P |
| Gravitational magnification effects on distant 3CR galaxies (p. 93) |
| by Lefèvre, O |
| 0957+561: the time delay revisited (p. 96) |
| by Falco, E E |
| The time delay of Q0957+561 A, B from 10 years of optical monitoring (p. 102) |
| by Schild, R |
| Application of image processing techniques in a search for gravitational lenses and quasar pairs (p. 108) |
| by Djorgovski, S |
| A search for gravitational lenses and quasar pairs and the discovery of a new multiple QSO system (p. 111) |
| by Meylan, G |
| Evolution and gravitational lensing in quasar absorption line systems (p. 117) |
| by Thomas, P A |
| Preliminary analysis of high-resolution spectra for UM 673 A&B (p. 122) |
| by Smette, A |
| Bidimensional spectrography of the âﾜClover leafâ H1413+117 at sub-arcsec: Spatial resolution (p. 124) |
| by Angonin, M C |
| The MIT search program for gravitational lenses (p. 127) |
| by Burke, Bernard F |
| First epoch VLBI observations of the gravitational lens system 2016+112 (p. 136) |
| by Heflin, M B |
| X-ray observations of gravitational lenses (p. 141) |
| by Kellog, E |
| Consequences of gravitational lensing for gamma radiation from 3C273 (p. 163) |
| by Metcalfe, L |
| Searching for cosmic strings (A la recherché des cordes perdues) (p. 166) |
| by Hindmarsh, M |
| Microlensing (p. 175) |
| by Schneider, P |
| Microlensing calculations with hierarchical tree code: new results (p. 186) |
| by Wambsganss, J |
| Statistical investigations of the amplification near gravitational lens caustics (p. 192) |
| by Witt, H J |
| The deconvolution of the quasar structure from the lightcurve of a high amplification event with the regularization method (p. 198) |
| by Grieger, B |
| The Hamburg quasar monitoring program at Calar Alto: analyses of micro-lensing variability (p. 203) |
| by Borgeest, U |
| Photometric monitoring of 2237+0305 (p. 206) |
| by Corrigan, R T |
| Spectrophotometry of 0957+561 and the micro-lensing effect (p. 210) |
| by Vanderriest, C |
| IR imaging and the light curve of 2237+030 (p. 216) |
| by Nadeau, D |
| Clusters of galaxies: A new observable class of gravitational lenses (p. 221) |
| by Fort, B |
| Lensing the background population of galaxies (p. 230) |
| by Tyson, J A |
| The redshift distribution of faint galaxies - implications for gravitational lensing (p. 236) |
| by Ellis, Richard S |
| The theory and practice of radio ring lenses (p. 244) |
| by Kochanek, C S |
| Lens and source models for arcs in cluster Abell 370 and CL 2244 (p. 254) |
| by Petrosyan, V |
| Modeling the giant arcs in A370 and A2390 (p. 261) |
| by Mellier, Y |
| New results from the gravitational telescope (p. 271) |
| by Hammer, F |
| Probing rich galaxy clusters with mini-arcs (p. 275) |
| by Grossman, S A |
| Gravitationally lensed arcs as galaxy redshift indicators (p. 280) |
| by Nemiroff, R J |
| Spatial correlation in gravitationally lensed images (p. 284) |
| by Deguchi, S |
| Optical-infrared studies of arcs in Abell 370 (p. 288) |
| by Aragón-Salamanca, A |
| Spectroscopy of arcs in CI 2244-02 and A370 (A5) (p. 291) |
| by Soucail, G |
| First results on the spectroscopy of the arc-like object in Abell 2390 (p. 293) |
| by Pellò, R |
| Deep photometry of CI.2244-02 in U colour with an electronographic camera (p. 295) |
| by Wlerik, G |
| Concluding remarks (p. 301) |
| by Blandford, R D |