Molecular astrophysics : state of the art and future directions - Diercksen, G. H. F.; Huebner, W. F., (Walter F.) 1928-; Langhoff, P. W. (Peter W.), 1937- (D. Reidel Pub. Co. ; Sold and distributed in the U.S.A. and Canada by Kluwer Academic Publishers, 1985)