What are the sources and conditions responsible for exceedences of the 24h PM10 limit value (50@mgm^-^3) at a heavily trafficked London site? [An article from: Atmospheric Environment] by An article from: Atmospheric Environment

What are the sources and conditions responsible for exceedences of the 24h PM10 limit value (50@mgm^-^3) at a heavily trafficked London site? [An article from: Atmospheric Environment] by An article from: Atmospheric Environment

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The value of the didactic principles of Herbart-Ziller-Stoy in view of their serviceableness for the instruction in secondary schools (National Herbart society. Supplement to the 3d Yearbook) by Otto Paul Martin Frick

The value of the didactic principles of Herbart-Ziller-Stoy in view of their serviceableness for the instruction in secondary schools (National Herbart society.  Supplement to the 3d Yearbook) by Otto Paul Martin Frick

Continue reading “The value of the didactic principles of Herbart-Ziller-Stoy in view of their serviceableness for the instruction in secondary schools (National Herbart society. Supplement to the 3d Yearbook) by Otto Paul Martin Frick”