By Olson, Richard Fischer..
New York Wiley 1980 .
vi, 183 p. , Includes index. 0471048593

By Olson, Richard Fischer..
New York Wiley 1981 .
xi, 191 p. : , Includes index. 25 cm..
0471091340

By Olson, Richard Fischer..
Buenos Aires Atlántida 1995 .
p. , Includes index. | Translation of: When do I start? 9500814153

By Olson, Richard Fischer..
New York Wiley 1980 .
vi, 183 p. , Includes index. 0471048593