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LEADER 00000nam 2200169 a 4500
001 0597181
003 UkHlHU
007 t
008 002603 2 1954 000 eng
040 UkHlHU
050 4 S 455 W9
100 0 Wyllie, J.
245 00 Land requirements for the production of human food.
650 0 Agricultural history.