TY  - BOOK
AU  - Padgham,C.A.
AU  - 
TI  - Subjective limitations on physical measurement. 
U1  - 620.7/P123s 
PY  - 0000///Chapman & hall
PY  - 1965///
CY  - London 
N1  - Includes index(P75-78) and bibliography and glossary(P73-78).
ER  -