TY  - BOOK
AU  - VERMA , RAM , AJIT
AU  - KRISHNA, P
TI  - POLYMORPHISM AND POLYUPISM IN CRYSTALS
U1  - F191:(C) 
PY  - 1966///
CY  - new york
PB  - JOHN WILEY,INC
KW  - POLYMORPHISM
ER  -