Wohlbier, R.H., ed.
Stacking, blending and reclaiming of bulk materials - Clausthal Trans Tech. 1977 - Series on bulk materials handling vol.1, No.5 .
621.8 / W6
Stacking, blending and reclaiming of bulk materials - Clausthal Trans Tech. 1977 - Series on bulk materials handling vol.1, No.5 .
621.8 / W6