TY  - BOOK
AU  - Roberts, I. F
TI  - Crystals and their structures
SN  - 0423491709
AV  - QD 921 Rob 
PY  - 1974///
CY  - London
PB  - Methuen Educational Ltd
KW  - CHEMISTRY--HANDBOOKS, MANUALS, ETC
KW  - CRYSTALS--STRUCTURES
ER  -