00883cam a22002531  4500001001300000003000400013005001700017008004100034010001700075035002000092040004100112042001200153050002400165082001300189100003500202245010100237260001700338300005700355490011800412504003900530650001200569650003100581999001700612agr42000203 DLC20260227111000.0850611s1940    it b          000 0 eng c  aagr42000203   a(OCoLC)12143574  aU.S. Dept. of Agr. LibrarycKyUdDLC  apremarc00aHD9000.5b.I6 no. 7  a338.10821 aGehlsen, Conrad August,d1889-10aWorld rubber production and trade;beconomic and technical aspects, 1935-1939,cby C.A. Gehlsen.  aRome,c1940.  a2 p. l., [vii]-xv, 191, [1] p. incl. 6 maps.c24 cm.0 aInternational institute of agriculture. Studies of the principal agricultural products on the world market no.v7  a"Publication consulted": p. 95-96. 0aRubber. 0aRubber industry and trade.  c10186d10186