The documentation for rsk explains the structure
of CTD objects, and also outlines the other functions dealing with them.
Other things related to rsk data:
[[,rsk-method
,
[[<-,rsk-method
,
as.rsk()
,
plot,rsk-method
,
read.rsk()
,
rsk-class
,
rskPatm()
,
rskToc()
,
rsk
,
subset,rsk-method