000 00403nam a2200157Ia 4500
008 130223s9999 xx 000 0 und d
080 _a551.557.38
100 _aSivakumar, M.V.K.
245 _aDrought spells and drough frequences in West Africa
260 _aPatancheru
260 _c1991
300 _a181 p.
440 _aNo. 13; International Crops Re
901 _pS41309
942 _cB
_2udc
999 _c120243
_d120243