psc 1 ' . 



Fig. 1 



sci " . uin " . PLATF.Y7T 



com' 



Fig 1 . 2, 



eps", ms' r . epm 1 ' . ex", mts 111 . ex 111 , eps' 11 . 



ox 1 . 



a.s. 



hyt. 



pst. mb. 



