Natural Resources Research
Natural Resources Research > 2007 > 16 > 1 > 31-43
Natural Resources Research > 2007 > 16 > 3 > 243-261
Natural Resources Research > 2009 > 18 > 2 > 65-83
Natural Resources Research > 2011 > 20 > 4 > 279-328
Natural Resources Research > 2014 > 23 > 1 > 19-98