000 00278nam a2200097Ia 4500
100 _aHaslam J F C
245 _aSchistosomia Sis And Malaria In Relation Irrigation (emb 17)
260 _bHis Majesty's Stationary Office, London
082 _aN29/B03820
300 _a52+4 MAPS; 25*18
999 _c30700
_d30700