=LDR 22 4500 =001 1242 =082 04$a333.91 HAL =100 1\$aHall, Anthony L. =245 10$aDrought and irrigation in North-East Brazil =260 \\$aLondon :$bCambridge University Press,$c1978 =650 \0$aBooks =852 \\$bFreeman Library$h333.91 HAL