00441nam a2200133Ia 4500008004100000020001800041040001700059082002400076110006400100245003600164260003500200300001500235650005700250190328s9999||||xx |||||||||||||| ||und||  a92-1-112239-2  aNITILcNITIL  221sta382.058bU58U  aUnited Nations Conference on Trade and Development (Geneva) 0aUNCTAD commodity year book 1987  aNew YorkbUnited Nationsc1988  axiv, 377p.  aCommercial products-Periodicals; International trade