Lewkowitsch, J. Chemical analysis of oils, fats, waxes and of the commercial products derived therefrom : "founded on Benedikt's second edition of ""Analyse der fette""" / by J. Lewkowitsch; J. Lewkowitsch .— 2 thoroughly revised and enlarged edition .— : The Macmillan Company, 1898 .— 878 с. — Lang: eng .— URL: https://rucont.ru/efd/89357 (дата обращения: 08.11.2025)