X ray (continued) 



Grenz (ukrasoft) 37, 99 



hard 40, 45, 97-100 



long 99 



medium hard 98 



mixed 97 



nature of 4 



physics of 1-3 



semi -hard 100 



short 37, 99, 101, 106 



X ray (continued) 



soft 40, 45, 97-100 



Yeast 61, 62, 102 



Yield 10, 12, 15-26, 79, 82, 84, 86 



Zea mays 6, 66, 70, 75, 76, 102 

 Zinnia 108 



122 



