Published in Down to earth (Midland, Mich.)

by Hunter, J.H, Barton, M.J
Published in Down to earth (Midland, Mich.) (01.10.1983)

by Ryder, J.C, Saunders, E.S, Vatne, R.D, Wright, W.G
Published in Down to earth (Midland, Mich.) (01.10.1983)

by Handly J.V, Hammond L.E, Saunders E.S
Published in Down to earth (Midland, Mich.) (1983)

by Hunter J.H, Barton M.J
Published in Down to earth (Midland, Mich.) (1983)

by Mullison, W.R
Published in Down to earth (Midland, Mich.) (01.01.1982)

by Youngson C.R
Published in Down to earth (Midland, Mich.) (1982)

by Rhoads, F.M, Huffman, J.R
Published in Down to earth (Midland, Mich.) (01.01.1982)

by Parker, K.G, Ritty, P.M
Published in Down to earth (Midland, Mich.) (01.01.1982)

by Crathorne G.L, Scott W.T, Ritty P.M
Published in Down to earth (Midland, Mich.) (1982)

by Huffman, J.R, Hale, D.B, Gurley, W.H
Published in Down to earth (Midland, Mich.) (1982)

by Youngson, C.R, Turner, G.O, O'Melia, F.C
Published in Down to earth (Midland, Mich.) (01.09.1981)

by Thomas, P.A, Park, C.N, Page, J.L, Geronimo, J
Published in Down to earth (Midland, Mich.) (01.09.1981)

by Nagano M
Published in Down to earth (Midland, Mich.) (1981)

by Geyer, W.A, Melichar, M.W
Published in Down to earth (Midland, Mich.) (1981)

by Varsa E.C, Liu S.L, Kapusta G
Published in Down to earth (Midland, Mich.) (1981)

by Cronin E.H, Nielsen D.B
Published in Down to earth (Midland, Mich.) (1981)

by Geyer W.A, Melichar M.W
Published in Down to earth (Midland, Mich.) (1981)

by Stewart, D
Published in Down to earth (Midland, Mich.) (1980)

by Warren, L.E
Published in Down to earth (Midland, Mich.) (1980)