=LDR 22 4500 =001 4940 =082 04$a333.91 PER =100 1\$aPereira, Charles =245 10$aScientific aspects of the 1975-76 drought in England and Wales =260 \\$aLondon :$bRoyal Society,$c1978 =650 \0$aBooks =852 \\$bFreeman Library$h333.91 PER