000 002820000a22001330004500
245 _aTrickle irrigtion
260 _aRome
_bFAO
_c1973
300 _a153 p.
440 _aIrrigation and Drainage Paper
440 _aNo.14
080 _a626.81
_bE9
041 _aEN
942 _cBK
999 _c103919
_d103919