The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1959)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1962)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1970)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1976)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1977)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1979)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1989)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1995)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1998)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1999)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 2000)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 2001)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 2002)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 2004)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 2005)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 2006)