TY  - BOOK
AU  - Powers Laura E
AU  -  McSorley Robert
TI  - Ecological principles of agriculture by Laura E Powers and Robert McSorley:  McSorley Robert    
SN  - 0766806537 (pbk)
U1  - J:95, P0 
PY  - 2000///
CY  - New
PB  - York Delmar         
KW  -  Ecology
KW  - Agriculture
N1  - Appendix I-IV, 398-415p; Index 417-433p; ^n23/CSL/CARB/OTSG/2001-2002/804^d2001-03-30^mPurchase; ; 2001-2002/23^b2001-07-05^c231^d2001-06-29^eRs.1,370.85^fBiotek Book Company; ; 2002-01-23^bSB^c2002-10-03^dRPS
ER  -