Gang Wang Sheng Lin Xiaoguang Liu Guangjun Xie Jing Liu Combinatorial Constructions of Multi-erasure-Correcting Codes with Independent Parity Symbols for Storage Systems. 61-68 2007 PRDC http://doi.ieeecomputersociety.org/10.1109/PRDC.2007.9 conf/prdc/2007 db/conf/prdc/prdc2007.html#WangLLXL07