TY - BOOK AU - Crawford, John, Sir, 1910- PB - Bureau of Agricultural Economics, Dept. of Commerce and Agriculture TI - The economics of conservation / J.G. Crawford KW - Agricultural conservation - Economic aspects - Australia. KW - Agriculture - Economic aspects - Australia. A2 - Australia. Bureau of Agricultural Economics CY - Canberra, A.C.T PY - 1952 M1 - Accessed from http://nla.gov.au/nla.cat-vn852250 ER -