=LDR 22 4500 =001 1419 =082 04$a330.917 DAY =100 1\$aDay, Richard H. =245 10$aEconomic development as an adaptive process: the green revolution in the Indian Punjab =260 \\$aLondon :$bCambridge University Press,$c1977 =650 \0$aBooks =700 1\$aSingh, Inderjit =852 \\$bFreeman Library$h330.917 DAY