TY  - BOOK
AU  - Camp,Harold Laverne
TI  - Scales for measuring results of physics teaching,
T2  - University of Iowa studies in education ..
AV  - LB5 .I6 vol. 2, no. 2
U1  - 370.82 s 
PY  - 1921///]
CY  - Iowa City
PB  - The University
KW  - Physics
KW  - Study and teaching
KW  - Grading and marking (Students)
N1  - On cover: University of Iowa studies. 1st ser., no. 54. October 1, 1921; Bibliography: p. 51
ER  -