Concrete problems :
Ropke, John C.
Concrete problems : causes and cures / John C. Ropke. - New York, E.U.A. : McGraw-Hill, 1982. - 187 p. ; 24 cm.
0-07-053609-0
TA439 / R66
Concrete problems : causes and cures / John C. Ropke. - New York, E.U.A. : McGraw-Hill, 1982. - 187 p. ; 24 cm.
0-07-053609-0
TA439 / R66

