00918nam a2200229Ia 4500003000900000008004100009020001800050040001600068080002400084111008600108245024400194260003400438300001500472490003900487650004100526650001600567650002500583650001600608700002300624700001900647700002200666IN-BaIIA211028s9999    xx            000 0 eng d  a3-540-51061-3  cIIA Library  a524.885(082.2)bGRA  aConference in Honour of Bernard F. Burke's 60th birthdaycCambridged1988 June 20 0aGravitational lensesbproceedings of a conference in honour of Bernard F. Burke's 60th birthday held in Massachusetts, Cambridge, June 20, 1988cedited by J. M. Moran, Hewitt J. N and Lu K. Y.                                                 aBerlinbSpringer-Verlagc1989  axiv, 238p.  aLecture notes in physics; vol. 330  aAstronomy and astrophysics thesaurus  aBlack holes  aGravitational lenses  aWhite holes  aHewitt, J. N., ed.  aLu, K. Y., ed.  aMoran, J. M., ed.