TY - BOOK AU - Patton,Roy L. ED - United States. TI - Effects of ozone and sulfur dioxide on height and stem specific gravity of populous hybrids U1 - 551.5142 PY - 1980/// CY - Washington, D.C. PB - U.S. Government Printing Office KW - Photometry, Ultraviolet KW - Ozone KW - Measurement KW - Air KW - Pollution ER -