000 00277nam a22001217a 4500
041 _aENG
100 _aGrace.M
245 _aAgricultural Engineering
260 _aNew Delhi
_bA.A.Balkema
_c1989
300 _a3118
650 _aAgricultural
856 _uAgricultural ( 19 )
999 _c2194
_d2194