TY - BOOK ID - 137974462 TI - An efficient energy future : prospects for Europe and North America AU - Economic commission for Europe AU - United Nations. PY - 1983 SN - 0408013281 PB - London Butterworths DB - UniCat KW - Energy conservation UR - https://www.unicat.be/uniCat?func=search&query=sysid:137974462 AB - ER -