Resurgence & Ecologist – Ecologist, Vol 9 No 8-9 – Nov-Dec 1979
Inglese 44 1Resurgence & Ecologist – Ecologist, Vol 9 N 3 – May-Jun 1979
Inglese 44 1Resurgence & Ecologist – Ecologist, Vol 23 N 3 – May-Jun 1993
Inglese 52 1Resurgence & Ecologist – Ecologist, Vol 2 N 8 – Aug 1972
Inglese 44 1Resurgence & Ecologist – Ecologist, Vol 22 N 3 – May-Jun 1992
Inglese 40 1