Ground-based and HST Direct Imaging of HLQs Surdej, J. ; Jaunsen, A. O. ; Claeskens, J. -F. ; Gonzaga, S. ; Pospieszalska-Surdej, A. ; Pirenne, B. ; Prieto, A. Abstract Publication: Astrophysical Applications of Gravitational Lensing Pub Date: 1996 Bibcode: 1996IAUS..173..387S