000 00406nam a2200145Ia 4500
008 220407s9999 xx 000 0 und d
040 _cATVERC
050 _aTH 7413.S65 1980
245 0 _aSolar heating mechanic
260 _aPennsylvania
_bAssociated Educ. Consultants, Inc.
_cc1980
300 _aiv, 130 p. ; 28 cm.
_c28 cm
500 _aIncludes appendix.
650 _aSolar Heating
999 _c15628
_d15628