TY  - BOOK
AU  - Annakkage,H.K.D.A.T.N
TI  - Diffraction : Unit 3
T2  - Geometrical & Physical Option-  PYU 2261
PY  - 2010///
CY  - Colombo
PB  - Open University
KW  - Geometry
KW  - Physics
KW  - OUSL
N1  - Bachelor Science :Level 4
ER  -