00342nam a2200097Ia 450000500170000010000170001724500420003426000090007652001400008558300190022520260716043440.0 aProst, Mario aIs WTO law becoming more sustainable? c2001 aSuggests that some legal advances have been made with respect to key principles of sustainable development, but many challenges remain. c2/22/02kJOY_D