00462cam a22001577a 4500008004000000082001300040100002000053245006100073260005300134300001000187650004100197650002100238650001600259650001100275650001800286180718b1979   xxu||||| |||| 00| 0 eng d  aO91 G959  aGupta, Rajkumar  aPlants for environmental conservationcby Rajkumar Gupta  aDehra DunbBishan Singh Mahendra Pal Singhc1979  a247p.  aPlants - Collection and preservation  aPlants - Ecology  aPlantations  aPlants  aPlant ecology