Publication place United States Media type Print, e-book Pages 400 pp. ISBN 0-7493-8606-1 OCLC 59649776 LC Class Q172.5.C45 G54 1987 Followed by Nature's Chaos
Publication place United Kingdom Media type Print (Paperback) Pages 338 ISBN 978-0-00-724019-7 OCLC 259713114 Dewey Decimal 500 22 LC Class Q172.5.E77 G65 2008
Teacher. Retrieved August 8, 2016. "WELCOME - Irwin Altman Middle School 172 - Q172 - New York City Department of Education". schools.nyc.gov. Retrieved August