00329nam a2200121 a 450000500170000008200180001710000240003524500330005926000300009230000270012249000350014970000230018420251203091011.0  a577.0724bSWA  aSwartzman, Gordon L  aEcological simulation primer  aNew YorkbMacmillanc1987  axiv, 370p.c22 cm.bHB  aBiological resource management  aKaluzny, Stephen P