Heil, Kenneth D. (Personal Name)

nuc86-38618: His Recovery plan for the Knowlton cactus ... 1985 (hdg. on DI rept.: Heil, Kenneth D.; usage: Kenneth D. Heil)

His Sneed and Lee pincushion cacti, 1986: t.p. (Kenneth D. Heil, Math-Science Dept., San Juan College, Farmington, New Mexico)

His Familiar cacti of North America, c1992: CIP t.p. verso (Ken Heil)