DoED:10.1577/1548-8659(1957)87[39:TOOPIT]2.0.CO;2
DoED:10.1577/1548-8659(1959)88[23:RTOTCH]2.0.CO;2
DoED:10.1577/1548-8659(1962)91[175:TTOOPI]2.0.CO;2
DoED:10.1577/1548-8659(1963)92[152:LSOTEO]2.0.CO;2
DoED:10.1577/1548-8659(1963)92[372:SEOABS]2.0.CO;2
DoED:10.1577/1548-8659(1964)93[174:AATFZF]2.0.CO;2