00326nam a22000977a 4500008004100000040005500041245005900096260004400155942001200199999001700211240802b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aPublications techniques: bDes charbonnages de France   aParis: bCharbonnages de France, c1969  2udccCR  c65679d65679