@article{LeNguyenLudwig2014,
  author    = {Ha Thanh Le and Sang Thanh Nguyen and Horst-Michael Ludwig},
  title     = {A Study on High Performance Fine-Grained Concrete Containing Rice Husk Ash},
  journal   = {International Journal of Concrete Structures and Materials},
  pages     = {301 -- 307},
  doi       = {10.1007/s40069-014-0078-z},
  year      = {2014},
}