Minutes of evidence taken before the select committee on science & technology(sub-committee:Science & Govt.)
- London: HMSO, 1981
- v.p.
- House of Lords; no.20 .
Sanction dt. 25/10/1990(wdr no.6498;acc.no.18307)
Lib/WDR/11/2006-07(wdr no.16884(wdr no.18308;acc.no.18308)