000 00281nam a2200109Ia 4500
008 160710s1999 xx 000 0 und d
100 _aGUPTA,Y.P.
245 _aUSER & ENVIORNMENT FRIENDLY CONSTRUCTION TECH. & METHODS
260 _bNEW AGE
_c1999
300 _a240
942 _2ddc
_cB
999 _c57531
_d57531