cam a22 4500 533594189 CHVBK 20201216094513.0 990607s1994 sz a i00 0 eng d (SNL)991002649159703976 (Sz)1213910-41snl_51 (Sz)vtls001213910 (Sz)001213910 Sz Sz Twum-Barima Rosalind Protecting the ozone layer through trade measures reconciling the trade provisions of the Montreal protocol and the rules of the GATT by Rosalind Twum-Barima and Laura B. Campbell Chatelaine UNEP, United Nations Environment Programme cop. 1994 120 S. Ill. 21 cm txt rdacontent n rdamedia nc rdacarrier Environment and trade 1020-1610 6 sb 1999/13 18 snl-sb Campbell Laura B. UNEP (DE-588)13260-3 Environment and trade 6 (Sz)001211562 BK020000 XK020000 XK020000 SNL NB001 NB001 P 36433/6 NB10011 SNL 100 1- Twum-Barima Rosalind SNL 490 1- Environment and trade 1020-1610 6 SNL 700 1- Campbell Laura B. SNL 710 2- UNEP (DE-588)13260-3 SNL 830 -- Environment and trade 6 (Sz)001211562