00368nam a2200133Ia 4500008004100000020001100041040001500052041001200067082001700079100001700096245006300113260004100176300001700217230917s9999||||xx |||||||||||||| ||und||  cDFL130  e2159aMAIN  aEnglish  a551.22 G996S  aGy, Pierre M 0aSampling of the particulate materials: theory and practice  aAmsterdambElsevier Scientificc1979  axvii, 431 p.