TY  - BOOK
AU  - Berle, Alf K.
AU  - Camp, L. Sprague de.
TI  - Inventions, patents, and their management
U1  - 658.002 
PY  - 1959///
CY  - London
PB  - D. Van nostrand company
KW  - Inventions. patents, management
ER  -