DERRICKS THEOREM IN CURVED SPACE
JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL 12:1 (1979) L17-L19
MOMENTUM-TRANSFER IN GRAVITATION THEORY
GENERAL RELATIVITY AND GRAVITATION 10:7 (1979) 623-629
CONSERVATION EQUATIONS AND GRAVITATIONAL SYMPLECTIC FORM
JOURNAL OF MATHEMATICAL PHYSICS 19:11 (1978) 2324-2331
COVARIANT CONSERVATION EQUATIONS AND THEIR RELATION TO THE ENERGY-MOMENTUM CONCEPT IN GENERAL RELATIVITY
PHYSICAL REVIEW D 18:12 (1978) 4399-4407