1. Experiment in Domestic Animal Raising;Beijing Agricultural University,1979
2. Insect Cultures. Feed from Animal Wastes;Calvert;FAO Animal Production and Health Papers,1982
3. Model JR-2800 Heat Insulation Calorimeter;Changsha Instrument Factory,1983
4. Decomposition, organic matter turnover, and nutrient dynamics in agroecosystems;Coleman,1984
5. Feeding pigs earthworm powder;Dai,1984