TY  - BOOK
AU  - Porter,M W
TI  - The Barker index of crystals: a method for the identification of crystalline substances; v.I1,pt. II
PY  - 1956///
CY  - W Heffer & Sons
PB  - Cambridge
UR  - http://14.139.222.13:80/cgi-bin/koha/opac-detail.pl?biblionumber=3245
ER  -