RFishBC: Back-Calculation of Fish Length

#' @title Standard intercepts for Fraser-Lee model by species.
#'
#' @description Standard intercepts (in mm) for Fraser-Lee model for all species for which the standard has been defined.
#'
#' @format A data frame with 1 rows and 3 variables:
#' \describe{
#'   \item{species}{Fish species.}
#'   \item{a}{Standard intercept value (in mm).}
#'   \item{source}{Source of the standard.}
#' }
#' 
#' @references Beck, H.D., D.W. Willis, and J.M. Francis. 1997. A proposed standard intercept for the White Bass body length-scale relationship. North American Journal of Fisheries Management 32:239-248.
#' 
#' Carlander, K.D. 1982. Standard intercepts for calculating lengths from scale measurements for some centrarchid and percid fishes. Transactions of the American Fisheries Society 111:333-336.
#' 
#' @seealso \code{\link{aStandard}}
"StdIntLit"