000 00551cam a22001697a 4500
008 180718b1992 xxu||||| |||| 00| 0 eng d
020 _a9231027492
082 _aO91x541 R142
100 _aRamkrishnan, P.S.
245 _aShifting agriculture and sustainable development: an interdisciplinary study from North-Eastern India
_cby P.S. Ramakrishnan
260 _aDelhi
_bOxford University Press
_c1992
300 _a424p.
440 _aMan and the Biosphere Series
650 _aAgriculture
650 _aSustainable Development
650 _aEcology
999 _c360804
_d360804