TY  - BOOK
AU  - Penny,R.K.
AU  - Gibbings,J.C.
TI  - The experimental method: a text for students of engineering and science 
SN  - 0582443512
AV  - QC39 .P38 1974
U1  - 530/.028 
PY  - 1974///
CY  - London
PB  - Longman
KW  - Physical measurements
KW  - Physics
N1  - Label mounted on t.p.: Distributed in the U.S.A. by Longman, New York; Includes bibliographies
ER  -