TY  - SER
AU  - Bünstorf,Jurgen
TI  - The problems of arable farming in marginal sub-tropical regions of variable rainfall : The arable farming region of the argentinian Gran Chaco
KW  - Chaco
KW  - Formosa (argentina)
KW  - Chaco Argentino
KW  - Tierra Agricola
KW  - Agricultura
N1  - pp. 112-126, maps., tbls., gráfs.  Separata
ER  -