000 00418nam a2200157Ia 4500
008 140205s9999 xx 000 0 und d
020 _a0870551817
082 _a581.1/MER
100 _aMerva, George E
245 _aPhysioengineering principles
260 _bThe A V I Publishing Company, Inc.
_aWestport
_c1979
300 _a353
650 _aagricultural engineering
650 _aplant ecology
942 _2ddc
_cBK
999 _c1425
_d1425