00401nam a2200133 a 450000100080000000500110000800800410001910000210006024500650008126000480014630000100019449000520020465000110025619631192013-08-01       1970    bl uuuu      00u1 u    #d1 aHERNANDEZ, T. P.  aThirty years of coopetative sweet potato research 1939-1969.  aLouisiana: Louisiana State Universityc1970  a87 p.  a(Southern Cooperative Series. Bulletin n. 159).  aBatata