Index of Potential Field Subroutines from Blakely (1995)
sphere.f
cross.f
cylind.f
dipole.f
dircos.f
expand.f
fac.f
facmag.f
fork.f
fourn.f
gbox.f
gfilt.f
glayer.f
gpoly.f
hgrad.f
kvalue.f
line.f
make_layer.f
mbox.f
mfilt.f
mlayer.f
mtopo.f
newvec.f
plane.f
pro2.f
pseudo.f
ribbon.f
rot.f
schmit.f
signal.f
contin.f
verder.f