00303nam a2200109Ia 450000500170000000800410001708200120005810000200007024500610009026000340015130000080018520260224040828.0260224s9999||||xx |||||||||||||| ||und||  a665 LEW  aLewkowitsch, J. 0aChemical technology and analysis of oils, fats and waxes  aLondon: Macmillan & Co.c1938  a682