TY  - BOOK
AU  - ALLEN ,H.STANLEY 
TI  - THE QUANTUM 
U1  - Pg143 
PY  - 1928///
CY  - LONDON
PB  - METHUEN AND CO.LTD 
N1  - Pg mean Physics General & Mechanics Page 457-464 in A to Z Accession Register (Acc. No. Pg1-Pg228) & Page 640 (Acc. No. 224-231)
ER  -