A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is `application/pdf`

.

##
###
A Terminal Mesozoic Greenhouse

1979
*
Science
*

McMillen (/) may be correct in "conservatively" estimating the primary ratio of human male to female conceptuses to be at least (Y,:100 =) 120: 100, but the argument she presents shows only the consistency of that range of ratio values with certain selected empirical data. Since the quantity of interest is y" the proportion of males at conception [or equivalently Y, = 100 y,/(lyl)], the analysis is much simplified by solving the equation of her reference 14 for y, [d defined below, the other

doi:10.1126/science.206.4425.1428-a
pmid:17739302
fatcat:pc7ht4urrvf6dot74nxxzjp3um