TY  - BOOK
AU  - Hecth [dr S], 
TI  - Explaining The Atom Tr By As N
U1  - 539.6 
PY  - 1961///
CY  - Palghat
PB  - Educational Supplies Depot.
KW  - General Stack
KW  - Science
KW  - PhysicsModern Physics
KW  - Generalia
ER  -