TY  - GEN
AU  - Nichols, Eugene D.
TI  - Holt School mathematics
SN  - 0030451469 v.1.
AV  - QA135.H6 1978 
PB  - Holt Rinehart and Winston
KW  - Mathematics - Study and teaching ( Elemantary )
KW  - QA
N1  - v.1. Grade 1 - v.2. Grade 2; Includes bibliographies
ER  -