Selected Bibliography:

The Goldberg Conjecture is True for the Four-dimensional Total Space of an Almost Kähler Submersion , Journal of Geometry, 69 (2000), 215-226.

Superminimal Fibres in an Almost Hermitian Submersion, Boll. Unione Mat. Ital., 8 (2000), 159-172.

The Differential Geometry of Two Types of Almost Contact Metric Submersions, in The Mathematical Heritage of C.F. Gauss, ed. G. Rassias, World Scientific Publ. Co., Singapore, (1990), pp. 1 - 35.

Almost Contact Metric 3 - Submersions, Intl. J. Math. Math. Sci., 7(1984), 667 - 688.

New Examples of Strictly Almost Kähler Manifolds, Proc. Amer. Math. Soc., 88(1983), 541 - 544.

G, G'-Riemannian Submersions and Solutions to the Yang-Mills Field Equations of General Relativity, in Global Analysis - Analysis on Manifolds, ed. G. Rassias, Tuebner Press, Leibzig, 1983. pp. 324-349.

The Structure Equation of an Almost Semi-Kähler Submersion, Houston Math. J., 5(1979), 295-305. (with L. Vanhecke).

K_i - Curvature and Almost Hermitian Submersions, Rend. Mat. Sem. Torino, 36(1977-78), 205-224. (with L. Vanhecke).

Geometria Diferencial (book), VII Coloquio Colombiano de Matemáticas, Sociedad Colombiana de Matemáticas, 1977.

Almost Hermitian Submersions, J. Differential Geometry, 11(1976), 147 - 165.

Minimal Submanifolds of Almost Semi-Kähler Manifolds, Kodai Math. Sem. Reps., 27(1976), 449-457.

d - Commuting Maps and Betti Numbers, Tôhoku Mathematics J., 27(1975), 137 - 152.

Manifold Maps Which Commute with the Laplacian, J. Differential Geometry, 8(1973), 89 -98.

The First Betti Numbers of Certain Locally Trivial Fibre Spaces, Bull. Amer. Math. Soc., 78 (1972), 392-393.

Studies on the Mechanism of Action of Anthramycin Methyl Ether, a New Antitumor Antibiotic, Cancer Research, 29(1969), 2195 - 2205. (with H. M. Bates and W. Kuenzig).

A Gonadotropin Assay Based on Absorption by Attapulgite, Clinical Chemistry, 11(1965), 575 - 580. (with R. Knouse).