Books by R. D. MacElroy

Life sciences and space research XXV

by COSPAR. (29th 1992 Washington, DC), R. D. Macelroy, M. Andre, C. C. Blackwell, A. Banin, J. S. Levine, T. W. Tibbitts, C. A. Mitchell, R.D. MacElroy, Andr&eacute, C.C. Blackwell, J.S. Levine, T.W. Tibbitts, C.A. Mitchell

1994

Natural and artificial ecosystems

by COSPAR. Scientific Assembly, R. D. Macelroy, K. Kreuzberg, S. Nielsen, T. W. Tibbitts, R.D. MacElroy, T.W. Tibbitts

1995

Life Sciences and Space Research XXIII : Natural and Artificial Ecosystems

by R. D. MacElroy, T. W. Tibbetts, B. G. Thompson, T. Volk

1989

Manmade Closed Ecological Systems

by R. D. Macelroy

2002

Life Sciences and Space Research XXIII (3)

by R. D. Macelroy, T. W. Tibbetts, B. G. Thompson, T. Volk, R.D. MacElroy, T.W. Tibbetts, B.G. Thompson

1989