00403nam a2200157Ia 450000500170000000800340001702000180005104000300006904100080009905000190010708200160012610000150014224500380015726000300019570000200022520260608214751.0250312b |||||||| |||| 00| 0 eng d a0-590-67295-9 aUNPHcProcesos Técnicos aeng aQR57.K38 1996 aINGLES-0076 aBobbi Katz 0aGerms! germs! germs! cBobbi Katz aUSAbSCHOLASTIC INCc1996 aSteven Bjorkman