00309nam a2200109Ia 4500008004100000040003800041100001900079245003400098260004100132300001200173653001400185211215s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aJaffe, Bernard 0aChemistry creates a new world  bPyramid PublicationsaNew Yorkc1962  a256p p.  aChemistry