000 nam a22 4500
999 _c4973
_d4973
005 20191010162106.0
008 181012b ||||| |||| 00| 0 tha d
040 _aRID
_btha
_cRID
082 _aRID. 551.49
_bH8r 1987
245 _aRID practice on hydrology investigation.
260 _aBangkok
_bRoyal Irrigation Department
_c1987
700 _aHydrology Division
942 _c12
_2ddc
998 _cภิรมณ์ญา