TY  - GEN
AU  - ABELSON, Philip H
TI  - Materials: Renewable and nonrenewable resources
SN  - 0-87168-227-3
AV  - TA403.8.M38 
PY  - 1976///
CY  - Washington
PB  - American Association for the advancement of science
KW  - Materials-Addresses, essays, lectures
ER  -