TY - BOOK AU - Hewitt, J. N., ed. AU - Lu, K. Y., ed. AU - Moran, J. M., ed. ED - Conference in Honour of Bernard F. Burke's 60th birthday TI - Gravitational lenses: proceedings of a conference in honour of Bernard F. Burke's 60th birthday held in Massachusetts, Cambridge, June 20, 1988 T2 - Lecture notes in physics; vol. 330 SN - 3-540-51061-3 PY - 1989/// CY - Berlin PB - Springer-Verlag KW - Astronomy and astrophysics thesaurus KW - Black holes KW - Gravitational lenses KW - White holes ER -