D. R. Marlow, P. N. Wilkinson, Phillip Helbig & I. W. A. Browne
"Constraining the value of the cosmological constant using JVAS/CLASS lensing statistics"
in Observational Cosmology with the New Radio Surveys (ADS: 1998ASSL..226.....B)
M. Bremer, N. Jackson & I. Péréz-Fournon (eds.)
Astrophysics and Space Science Library, Volume 226
Dordrecht: Kluver, pp. 339–340 (1998)
ISBN 0-7923-4885-0
ADS: 1998ASSL..226..339M | Google Scholar