cksum= 1990194529 1532466857 reference01.2010.2.ckp.gz
MD5(reference01.2010.2.ckp.gz)= 2df4f92fddfad4c3f53e26b03d4540f1
SHA1(reference01.2010.2.ckp.gz)= c580141b318cc56115222121df2bcd5a649ce9af