00445nam a22001457a 4500008004100000020001800041040005500059080002700114245002300141260005700164300001600221650002500237653001500262700002200277230421b        |||||||| |||| 00| 0 eng d  a90 286 0697 1  aNational Science LibrarycNational Science Library  a666.762.93(082.2) bL7  aNitrogen ceramics   aLeyden: bNoordhoff International Publishing, c1977  axxi, 694p.   aChemical technology   aChemistry   aRiley, F L (Ed.)