000 006790000a22002290004500
001 001351
005 20250617114227.0
008 130528t xxu||||| |||| 00| 0 eng d
020 _a013503129X
082 _a574.5263
_bAND
090 _c1351
_d1351
100 _aAndrews, William A.
_920496
245 _aInvestigating aquatic ecosystems /
_cWilliam A. Andrews, Sandra J. McEwan
250 _a2nd ed.
260 _aOntario :
_c1987
_bPrentice-Hall
300 _a342 p. :
_bill. ;
_c24 cm
440 _a(Contours: Studies of the Environment)
_920497
500 _aIncludes index
650 _aEcosystems
_920498
700 _aMcEwan, Sandra J.
_920499
942 _cBOOK
_2ddc
999 _c1351
_d1351