00644nam a2200121Ia 4500008004100000082005300041100017900094245006600273260005100339300001300390490008200403650003700485140224s9999    xx            000 0 und d  a633/635.001.7:338.922(213-44+46) 1975 (083.9) L5  aUnited States. Commission on International Relations. Board on Science and Technology for International Development. Advisory Committee on Technology Innovation. Adhoc Panel.  aUnderexploited tropical plants with promising economic value.  aWashingtonbNational Academy of Sciencesc1975  aix,188p.  aU.S.Department of Commerce; National Technical Information Service; PB 251656  aTropical plants-economic aspects