000 00312pam a2200121a 44500
082 _a627.12
_bW52a
100 _a
245 1 _aANNUAL REPORT OF THE RIVER RESEARCH INSTITUTE
260 _a
_b
_c1959
440 _aAnnual Report Of The River Research Institute
_vPub. No. 17
964 _gCIRC
997 _aK7741 W
999 _c390343
_d390343