000 00429nam a2200169Ia 4500
008 170101s1970 xx 000 0 und d
082 _a389.6 IS:5510
100 _aIndian Standards Institution
245 0 _aGuide for soil surveys for river valley projects
260 _bNew Delhi
_c1970
300 _a28p
440 _aIS:5510-1969
650 _aVALLEYS
653 _aSOIL SURVEYS
653 _aVALLEYS
942 _2ddc
_cB
999 _c54520
_d54520