00449nam a2200145Ia 4500008004100000082002100041100001600062245006100078260004000139300000800179650003800187650003400225653002600259653001800285170901s1953    xx            000 0 und d  a668.620973bJ14F  aJacob D. K. 0aFertilizer Technology and Resources in the united states  aNew YorkbAcademic Press Inc.c1953  a454  aChemical and Related Technologies  aTechnology (Applied sciences)  aFertilizer technology  aUnited States