John J. Ponczynski

Drainage density in relation to precipitation intensity in the U.S.A.

Athol D. Abrahams, A. D. Abrahams, John J. Ponczynski, 1984 .

IMPACT OF CONSTRUCTION ACTIVITIES ON SEDIMENT RESPONSE IN A SMALL DRAINAGE BASIN, WESTERN NEW YORK

A. D. Abrahams, John J. Ponczynski, 1983 .