000 nam a22 4500
020 _a
110 _aVan Den Beldt, Ricek J.
245 _aAgroforestry research in the semi-arid tropics
260 _aAndhra Pradesh
_bInternational Crops Research Institute for semi-arid Tropiess
_c1986
942 _c22
999 _c6747
_d6747