000 00252nam a2200085Ia 4500
008 130123s9999 xx 000 0 und d
082 _a631.7
245 _aIrrigation and Drainage Abstracts Vol 20 Part No.1-4 iNDEX
260 _aOxon
_bCAB International
_c1994
999 _c77467
_d77467