Man and his physical world / Dwight E. Grak. by
Edition: 2nd ed.
Material type: 
Text; Format:
print
; Literary form:
Not fiction
Language: English
Publication details: New York : Van Nostrand, 1946
Availability: Not available: ეროვნული სამეცნიერო ბიბლიოთეკა 1: Lost (1).