By Erickson, Jon..
Madrid, Santa Fe de Bogotá : McGraw-Hill, 1994 .
x, 209 p. : 8448100611 | 9586002721 | 9586002667

Place hold on Un mundo en desequilibrio :

By Erickson, Jon..
Madrid ; Bogotá : McGraw-Hill, 1994 .
xi, 217 p. : 8476157894 | 9586002667 (obra completa) | 9586002713

Place hold on El efecto invernadero :

By Erickson, Jon..
Madrid ; Santa Fe de Bogotá : McGraw-Hill, 1994 .
x, 212 p. : , Incluye bibliografía e índice. 8476159269 | 9586002691 | 9586002667 (obra completa)

Place hold on La extinción de las especies :

By Erickson, Jon..
Madrid, Bogotá : McGraw-Hill, 1994 .
xix, 305 p. : 8476157266 | 9586002705 | 9586002667 (obra completa)

Place hold on Las tormentas :

By Fisher, Marshall..
Madrid ; Santafé de Bogotá : McGraw-Hill, 1994 .
xiii, 84 p. : 8448100603 | 958600273x | 9586002667 (obra completa)

Place hold on La capa de ozono :

By Calvo Roy, Antonio, .
Madrid ; Santafé de Bogotá : McGraw-Hill, 1994 .
xii, 147 p. : 8476159366 | 9586002683 | 9586002667 (obra completa)

Place hold on La Antártida :

By Keith Caldwell, Lynton..
Madrid ; Santa Fe de Bogotá : McGraw Hill, 1994 .
xv, 251 p. ; 8448100956 | 9586002675 | 9586002667 (obra completa)

Place hold on Ecología :