000 00375nam a2200121Ia 4500
008 230721s9999||||xx |||||||||||||| ||und||
041 _aeng
082 _a343.5407869
_bN98 BIS
100 _a Bureau of Indian Standards
_910642
245 0 _a Retaining wall for hill area- guidelines
_c Bureau of Indian Standards
260 _b Bureau of Indian Standards
_c1998
942 _cBK
999 _c17944
_d17944