TY  - BOOK
AU  - Diagram Group
TI  - The book of comparisons of distance, size, area, volume, mass, weight, density, energy, temperature, time, speed and number throughout the universe
U1  - 032.02 GRO 
PY  - 1980///
CY  - London : 
PB  - Sidgwick & Jackson
N1  - Includes index
ER  -