00305pab a2200121 454500008004000000100002000040245004900060260000900109300001300118362000800131650002800139773001600167180718b1997 xxu||||| |||| 00| 0 eng d aDaly, Herman E. aSustainable growth: an impossibility theorem c1997 ap.121-25 aMar aSustainable development aDevelopment