TY - BOOK AU - Carson,Rachel TI - Silent spring SN - 0395453909 U1 - 632 PY - 1999/// CY - USA PB - Penguin random house KW - Pesticides KW - Environmental aspects KW - Toxicology KW - Pesticides and wildlife KW - Insect pests KW - Biological control N1 - Includes index; Bibliography: p. [301]-355 ER -