TY  - BOOK
AU  - Greenwood,Herbert William
TI  - Document photography, individual copying and mass recording
U1  - 137 
PY  - 1947///]
CY  - London [&] Newyork
PB  - Focal Press
KW  - Scientists
KW  - Biography
N1  - At the head of the title : H.W. Greenwood; H.W. Greenwood is Herbert William Greenwood
ER  -