000 00301nam a2200133Ia 4500
008 180612s9999||||xx |||||||||||||| ||und||
041 _aen
082 _a631.7
100 _aFAO OF THE UN.. ed.
245 0 _aAutomated Irrigation
260 _aRome.
_bFAO
_c1971
300 _a(iv), 91p.
942 _cPR
999 _c67546
_d67546