I'm looking for the articles:

1. Dobrazanski B.,Horabik J.,Molenda M.: Vibratory method for Bulk Density Estimation, Powder Handling & Processing, 1994, V.6, No.1, p.67

2. Peschl I.: Principals of Soil Mechanics for the Characterisation of Industrial Powders, Powder Handling & Processing, 2001, V.13, No.1, p.11

3. Schwedes J.: Testers for Measuring Flow Properties of Particulate Solids, Powder Handling & Processing, 2000, V.12, No.4, p.337

4. Schulze D.,Heinrici H., Zetzener H.: The Ring Shear Testers as a Valuable Tool for Silo Design and Powder Characterisation, Powder Handling & Processing, 2001, V.13, No.1, p.19

I'll be very grateful for getting thees articles by mail.

Anka ■