海量图书期刊资源，随时随地畅享阅读乐趣
VITAMIN C CONTENT OF SOME TEXAS FRUITS AND VEGETABLESW. W. FLOYD; G. S. FRAPS · 1939
CHANGES IN VITAMIN C CONTENT DURING BOILING OF TURNIP GREENS IN VARIOUS WATERS IN COVERED AND UNCOVERED CONTAINERSW. W. FLOYD; G. S. FRAPS · 1940