Absorption spectrophotometry /
G.F. Lothian.
- London : Hilger & Watts, 1949.
- 196 p. : ill. ; 23 cm.
A third edition of the practice of absorption spectrophometry with H ilger instruments. 1st. edition by F. Twyman, 1932. 2nd. edition by Fra nk Twyman and C.B. Allsopp, 1934.