Matter of Humphreys , 880 S.W.2d 402 ( 1994 )
Texas Department of Public Safety v. Doyle , 987 S.W.2d 897 ( 1999 )
Smith v. Houston Chemical Services, Inc. , 872 S.W.2d 252 ( 1994 )
Heat Energy Advanced Technology, Inc. v. West Dallas Coalition for Environmental Justice , 962 S.W.2d 288 ( 1998 )