TY  - BOOK
AU  - Porter,M.W.
AU  - Spiller,R.C.
TI  - The Barker index of crystals: a method for the identification of crystalline substances 
U1  - 548.70838 
PY  - 1951///-
CY  - Cambridge
PB  - W. Heffer
KW  - Crystallography
KW  - Tables
N1  - Library has vol. 1, pt.-I & II; Vol.1, pt. I Introduction and tables --v.1, pt. II Crystal descriptions
ER  -