000 00271nam a2200109Ia 4500
008 200806s9999 xx 000 0 und d
082 _a630
_bARG
245 0 _aAgrarian research and training institute
260 _a[S.l.]
_b[s.n.]
_c1977
300 _a39 p.
942 _cPRP
999 _c145336
_d145335