00450nam a2200193Ia 4500008004100000041001200041082001100053100001800064100001100082245004000093260001400133260000900147260000900156300001500165365002500180650001200205650001600217650002300233150909s9999    xx            000 0 und d  aEnglish  bBAR/DE  aBarnala S S    eEditor  aDesertification and the its control  aNew Delhi  bICAR  c1983  a375  Pages  aRs .75 .00            aEcology  aEnvironment  ageological history