000 00308nam a22001097a 4500
008 150908b xxu||||| |||| 00| 0 eng d
020 _a0135031869
082 _a574.526 4 AND
100 _aANDREWS,WILLIAM A.
245 _aINVESITIGATING TERRSTRIAL ECOSYSTEMS.
260 _aONTARIO;
_bPRENTICE - HALL CANADA,
_c1986
999 _c2560
_d2560