000 00436nam a2200157Ia 4500
008 180710s9999 xx 000 0 und d
020 _a100538
082 _a338.1
_bRYA
100 _aRYAN, M.
245 _aAnimal draught: the economics of revival
260 _aColombo
_bAgrarian Research and Training Institute
_c1981
300 _a61 p.-
440 _aOccasional publication; no.23
650 _aEconomic development
942 _cR
999 _c56422
_d56422