they are generally known as human rights instruments. its key equation was:

where:
r = rent per unit of land,			
p = market price per unit of product,			
c = cost of production per unit of product,
d = distance to market, and
t = unit transportation cost. he walked for miles to attend classes. rolling 
at three or four months of age babies are able to roll over by themselves; this means they could tip the bassinet over, so for safety they must use an infant bed or toddler bed instead. / as long as stars are above you / and longer if i can". 