Discovery of a quadruply lensed quasar: the 'clover leaf H1413 + 117
Magain, P., Surdej, J., Swings, J.-P., Borgeest, U., Kayser, R., Kühr, H., Refsdal, S., Remy, M.Volume:
334
Year:
1988
Pages:
3
DOI:
10.1038/334325a0
File:
PDF, 474 KB
1988