TY - JOUR AU - Khanfekr, Arsia AU - Azadmand, Mani AU - Amroni Hossaini, Morteza TI - Production of nano choline stearate soap by surface activators and adding it to gasolin as an emission reduction agent JO - Journal of Environmental Science and Technology VL - 11 IS - 4 SP - 417 EP - 426 PY - 2009 DO - ER -