HUNTER, DAVID J.

Essentials of Discrete mathematics / Hunter, David J. . – 2nd Edition .. – USA : Jones & Bartlet Learning, 2012. - 488 p., index; . – References : 475-477 p. . – [n. c.] – 978-1-4496-0442-4 (в пер.) : 16300 tg.

SOUZA, D. M.

Endangered Plants / Souza, D. M. ... – USA : Division of Scholastic Inc., 2003. - 63 p., ill.;– (Watts Library. . . – 0-531-12212-3 : 300 tg.

WINNER CHERIE

Everything bug [Text] : What Kids really want to know about Insects and Speiders / C. Winner ... – Chanhassen ; Minnesota : Nord Word Press, 2004. - 63 p., il.; . – Bibliogr.: 62-63 p. . – [n. c.] – 1-55971-890-9, 978-1-55971-891-2, 1-55971-891-9 : 30 tg.

DAWSON, PAUL

Extraordinary Rain Forests / Dawson, Paul ... – USA : Scholastic Inc., 2001. - 32 p., ill.; . . – 0-439-28601-8 : 100 tg.

MORRISON, YVONNE

Earth Partners : Saving the Planet / Morrison, Yvonne ... – New York : Children, 2008. - 36 p., ill.; . . – 978-0-531-17753-2, 0-531-17753-X : 150 tg.

MORRISON, YVONNE

Earth Matters / Morrison, Yvonne ... – New York : Children, 2008. - 36 p., ill.; . . – 978-0-531-17747-1, 0-531-17747-5 : 150 tg.