4T. Norrby, M. Kopp. Envimmnentally adapted lubricants in Swedish forestry industry - a critical, review and case study [J]. Ind Lub and Trib, 2000, 52(3) : 116- 124.
5T. W. Dicken. Biodegradable Greases [J]. Ind Lub and Trib, 1994, 46(3): 3 - 6.
6N. S. Battersby. The biodegradability and microbial toxicty testing of lubricants - some recommendations [ J ]. Chemosphere, 2000, 41:1011-1027.
7N. S. Battersby, P. Morgan. A note on the use of the CEC L- 33 - A - 93 test to predict the potential biodegradation of mineral oil based lubricants in soil [ J]. Chemosphere,1997, 35 (8) : 1773 - 1779.
8Steve Boyde. Green lubricants. Envirovmental benefits and impacts of lubrication[ J ]. Green Chemistry, 2002,4:293 -3O7.
9Helena Wagner, Rolf Luther, et al. Lubricant base fluids based on renewable raw materials - Their catalytic manufacture and modification [J]. Applied Catalysis, 2001,221(1-2): 429-442.
10Texaco lubricants Division. The need for biodegradable lubricants[J]. Ind Lub and Trib, 1992,44(4): 6-7.
