TY - BOOK AU - Hoffmann Ulrich TI - Opportunities and constraints for the internalization of environmental costs and benefits: The case of natural and synthetic rubber PB - UNCTAD/IRSG Workshop : Opportunities and constraints for the internalization of environmental costs into the price of rubber, 13 June 1997, Liverpool, UK, pp.3-5 KW - Ecofriendly KW - Natural Rubber KW - Rubber environment KW - Synthetic rubber ER -