TY  - BOOK
AU  - Northrup, Edwin F..
TI  - Laws of Physical Science: A Reference Book
U1  - 530 
PY  - 1917///
CY  - London
PB  - J.B.Lippincott Company
KW  - Physics
KW  - Law-Physical Science
KW  - G-Physics
N1  - Index,Bibliography
ER  -