TY  - BOOK
AU  - Verma,Ajit Ram
AU  - Krishna,P
TI  - Polymorphism and polytypism in crystals
U1  - 548.3 VER 
PY  - 1966///
CY  - New York
PB  - John Wiley and Sons
KW  - Crystals-Polymorphism
KW  - Polytypism theories
ER  -