na INLIS000000000010404 Ind 0010-1118010404 Vegetable gums and resins HOWES, F.N. F.N. Howes Waltham Chronica Botanica 1949 xx, 188 p.: ill.; 25 cm. xx, 188 p.: ill.; 25 cm. 668.4HOWv Bibl. : p. 169-174.-- Index : p. 177-188 668.4 GUMS RESINS 711/67-mfn12186