000 00273nam a22001097a 4500
999 _c269736
_d269736
003 OSt
008 190926b ||||| |||| 00| 0 eng d
082 _a691.096
_bRAO/AP
100 _aRao,Madhava.
_94290
245 _aApproprite technologies for low cost housing
942 _cBK