By Snell, Foster Dee.
New York D. Van Nostrand Co. 1948 .
4 v. in , Supplementary vols. by Foster D. Snell and Cornelia T. Snell assisted by Chester Arthur Snell, have subtitle: Including photometric methods.

By Snell, Foster Dee.
New York | London McGraw-Hill Book Company, inc. 1944 .
vii, 753 p. 22 cm..