00299nam a2200097Ia 4500008004000000082001300040100002500053245006800078260004700146300000800193210210b1967   xxu||||| |||| 00| 0 eng d  a501 LASS  aLASTRUCCI (Carlo L).  aScientific approach: basic principles of the scientific method.  aCambridgebSchenkman Publishing Co.,c1967  a257