00431nam a22001337a 4500008004100000040005500041080002200096245003300118260006800151300001500219500002800234650002100262653001400283230619b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  a622.765.001.2bL0  aFlotation agents and effects  aJerusalem: bIsrael Program for Scientific Translations, c1970  aiii, 115p.  aTranslated from Russian  aHydrophobization  aFlotation