00242nam a2200097Ia 4500080001800000100002200018245003300040260004000073300001300113583001800126  a07.04.01 C456  aChang, Cheu-Shang  aMechanization of small farms  bUniv. of Guyanaa[Turkeyen]GYc1975  a9 leaves  c12/1/05kJOYD