by United Nations. Natural Resources and Energy Division.
Hardcover
details (UK).
(see also: eBook (Kindle))
details (United States).
(see also: eBook (Kindle))
details (Germany).
(see also: Kindle Ausgabe)
details (Canada).
(see also: eBook (Kindle))
ISBN: 978-0-08-027193-4
ISBN-10: 0-08-027193-6
Elsevier · 1982