Strahler, Arthur Newell.
Elements of physical geography. - 2nd ed. - New York, US : John Wiley & Sons, 1979. - 560 p.
0-471-04459-8
Physical geography.
910.02 STR.
Elements of physical geography. - 2nd ed. - New York, US : John Wiley & Sons, 1979. - 560 p.
0-471-04459-8
Physical geography.
910.02 STR.