ASPCS
 

Helbig, P.

Volume Paper Title Page Number Authors
237 B0218+357: Time Delays and New MERLIN/VLA 5 GHz Maps of the Einstein Ring 137 Biggs, A. D.; Browne, I. W. A.; Wilkinson, P. N.; Muxlow, T. W. B.; Helbig, P.; Koopmans, L. V. E.
237 λ0 and Ω0 from Lensing Statistics and Other Methods: Is There a Conflict? 145 Helbig, P.; Marcias-Perez, J. F.; Wilkinson, A.; Davies, R.; Quast, R.